The St.Emlyn’s Podcast

March 2018 Roundup: Evidence-Based Medicine and Exciting Announcements at St Emlyn's Welcome to the Centeminine's podcast monthly roundup for March 2018! This post delves into key highlights from our blog, discussing critical topics in evidence-based medicine and sharing exciting upcoming events. Let's dive in! Catching Up After Winter As the harsh winter fades, we’re catching up with several important topics from March. Despite the seasonal lag, there's a lot happening in the world of evidence-based medicine. Our blog has been buzzing with insightful posts, and we encourage you to explore the rich content we have curated for you. Exciting Upcoming Events Before diving into March's blog posts, let's highlight some exciting events on the horizon. We are thrilled to announce St Emlyn's Live and the Teaching Course in Manchester. If you're planning your study leave for the next 12 months, these are opportunities you won't want to miss. St Emlyn's Live St Emlyn's Live is shaping up to be an unmissable event. Scheduled for October in Manchester, this event promises a blend of learning and fun, with the added bonus of Manchester's unique charm—where the sun always shines (psychologically and philosophically, if not literally). Check our website for more details and secure your spot. We’re putting immense effort into making this event exceptional, ensuring it’s worth both your time and money. The Teaching Course in Manchester Alongside St Emlyn's Live, we have our renowned Teaching Course in Manchester. As you consider your professional development for the year, keep in mind the benefits of attending a well-structured, impactful course like ours. We're confident you'll find it a valuable investment in your career. Evidence-Based Medicine: The Great IV Fluid Debate One of the standout topics in March has been the ongoing debate over IV fluids in critically ill patients. This subject stirs significant anxiety and diverse opinions across departments and even within the same hospital. The Normal Saline vs. Balanced Fluids Debate The crux of the debate revolves around whether to use normal saline or balanced fluids such as Hartmann's or Plasmalyte. The evidence to date has been mixed, leading to differing practices. Our colleagues down under published the SPLIT trial a few years ago, finding no significant difference, but the sample size at the time limited the conclusions. Recent Trials in the New England Journal of Medicine Recently, two significant trials published in the New England Journal of Medicine have shed more light on this issue. These trials investigated the effects of balanced crystalloid versus saline in critically ill patients and emergency department patients admitted to the wards. Cluster Randomized Trials The trials used a cluster randomized design, where units were randomized to administer either balanced crystalloid (lactated Ringer's or Plasmalyte) or saline for a period before crossing over. With over 15,000 participants in each study, the findings are quite robust. Key Findings The trials revealed a small but significant difference in major kidney events in the critical care group (14.3% vs. 15.4%), suggesting a potential benefit of balanced fluids. While the mortality difference was not as pronounced, these results could have important implications for global intensive care practices. Practical Implications in Emergency Medicine As emergency physicians, how do these findings influence our practice? Over the past few years, there's been a shift towards more frequent use of balanced solutions, driven by a sound physiological rationale. Although the exact clinical significance of hyperchloremic acidosis from saline remains debated, the pathophysiological argument for balanced fluids is compelling. Local Practices and Preferences In our practice, preferences vary. For instance, our neurointensive care unit favors saline for patients with specific neurological issues, as explained in a podcast with Dr. John Hell from Southampton. For general use, Hartmann's is often the go-to solution. Teaching the Next Generation We emphasize the importance of fluids in emergency medicine to our new doctors. With only four main treatments—oxygen, analgesia, antibiotics, and fluids—it’s crucial to administer fluids effectively. While the choice of fluid might not be critical initially, ensuring the right volume is given can make a significant difference. The Teaching Course in Cape Town Another highlight from March was the successful teaching course in Cape Town. This course will be replicated later this year in Manchester, offering an excellent opportunity for hands-on learning and professional growth. Success in South Africa The Cape Town course was a resounding success, providing valuable insights and skills to all participants. The feedback was overwhelmingly positive, highlighting the course's effectiveness and the enriching experience it provided. Chris Weymouth’s Experience Chris Weymouth, a UK-trained physician, shared his experience working in a rural South African hospital. His story underscores the importance of structured and well-supported international placements. Such experiences not only enhance clinical skills but also foster personal growth and resilience. Cardiac Arrest: Predicting Outcomes with Pupil Responses Our final major topic for March revolves around predicting outcomes in cardiac arrest, specifically through pupil responses. This topic, close to our hearts, is critical for making informed decisions during resuscitations. The Study from France A recent study from France, analyzing over 11,000 cardiac arrests, examined whether early pupil responses could predict outcomes. The findings were intriguing but not definitive. Sensitivity and Specificity The study found that the absence of a pupillary light reflex is a poor prognostic sign, but with only 72% sensitivity and 68.8% specificity, it’s not conclusive enough to base critical decisions on. The Gray Areas in Resuscitation Deciding when to stop resuscitation remains one of the most challenging aspects of emergency medicine. While some cases are clear-cut, many fall into a gray area, making it difficult to determine the right course of action. ECPR and Prolonged Arrests With emerging technologies like ECPR (Extracorporeal Cardiopulmonary Resuscitation) and reports of remarkable recoveries from prolonged arrests, the decision to stop becomes even more complex. In young patients with no prior morbidity, the stakes are even higher, and the decision requires careful consideration and often consultation with colleagues. Upcoming Events and Final Thoughts As we wrap up our March roundup, we look forward to several upcoming events and ongoing discussions. The St Emlyn's team will be speaking at the Retrieval Conference in Scotland in April, and we have a variety of summer events lined up. Join Us at St Emlyn's Live Don't forget to join us at St Emlyn's Live in October. This event promises to be a highlight of the year, offering a blend of cutting-edge medical insights and networking opportunities. Check our website for all the details and secure your spot today. Stay Tuned for More We'll be back in May with updates on April's posts and more engaging content. Until then, keep enjoying your emergency medicine practice, take care of yourselves and your patients, and stay connected with the St Emlyn's community. Conclusion March has been a month filled with significant developments in evidence-based medicine, exciting course announcements, and thought-provoking discussions. As always, our goal is to provide you with the best possible insights to enhance your practice and support your professional growth. Thank you for being part of the St Emlyn's community. We look forward to engaging with you through our blog, podcasts, and upcoming events.

The Physician Response Unit (PRU) is an innovative service in East London that takes the emergency department to the patient. The PRU is led by Tony Joy, consultant in emergency medicine and prehospital care and is a fairly unique service to the UK. In this podcast our very own Richard Carden interviews Tony for an in depth understanding of how the service is supporting the entire emergency care system in London. You can read more about the PRU here https://londonsairambulance.co.uk/our-service/news/2017/10/remodelled-pru-to-be-a-seven-day-service-for-the-first-time and look out for a blog post on the St Emlyn's blog site very soon.

Monthly Update from St. Emlyn’s: Insights into Emergency Medicine Welcome to the St. Emlyn’s podcast blog! I’m Ian Beardsell, and alongside Simon Cully, we're here to bring you our monthly update. This post will delve into February's content, upcoming events, and the latest discussions in emergency medicine. Winter Challenges and Patient Updates Winter has been relentless this year, and we're still feeling its impact. The influx of patients hasn't slowed down, and our departments are buzzing with activity. Up in Manchester, we continue to see a high volume of patients, while down south, the weather has been kinder, though no less busy. As a Yorkshireman, I can empathize with the challenges faced in the North. Hang in there, and let's get through these cold evenings together! Upcoming Events: St. Emlyn’s Live and Teaching Course Before diving into February's posts, let's talk about the exciting events we have lined up. This October, we're hosting the St. Emlyn’s Live conference and the Teaching Course in Manchester. St. Emlyn’s Live Conference The St. Emlyn’s Live conference is a one-day event focused on our philosophy's four pillars: clinical work, evidence-based medicine, wellbeing, and the philosophy of emergency medicine. With international speakers, this event promises to be an enriching experience for all attendees. Spaces are limited, so make sure to book your spot early via our website. Teaching Course in Manchester Following the conference, we have a three-day Teaching Course designed to develop you as an expert teacher in emergency medicine. This comprehensive course covers all aspects of teaching and is an excellent opportunity to enhance your skills. All bookings can be made through the St. Emlyn’s website. Insights from February’s Blog Posts February was a month rich with valuable insights and studies. Let's delve into some of the highlights: Intranasal Ketamine and Fentanyl for Children One of the standout studies we reviewed in February focused on the use of intranasal ketamine and fentanyl for managing pain in children. Pain management in pediatric patients is always challenging, especially when IV access is difficult. Traditionally, we've used intranasal diamorphine, but there's been a shift towards using intranasal ketamine and fentanyl, particularly in the US. Study Overview This randomized controlled trial compared 1 mg/kg of intranasal ketamine against 1.5 mcg/kg of intranasal fentanyl in children aged 4 to 17 with suspected isolated extremity fractures. The primary outcome was pain reduction, and both drugs performed similarly in this regard. Side Effect Profiles The key takeaway was the difference in side effect profiles. Ketamine is known to cause dysphoria, vomiting, and dizziness, while fentanyl has fewer unpleasant side effects. Therefore, fentanyl emerged as the preferred choice not because of superior pain relief but due to its more favourable side effect profile. Practical Implications The study underscores the importance of having a streamlined protocol for intranasal medications in emergency departments. While some departments might still use syringes, investing in mucosal atomizer devices can simplify administration and improve patient care. Engaging Medical Students in Emergency Medicine We had a guest blog from Claire Bromley, a medical student working with us in Manchester. Claire shared her experiences and insights into why she chose emergency medicine as a career, despite the occasional negativity she faced from other specialties. Building a Career in Emergency Medicine Claire's blog is an inspiring read for medical students considering a career in emergency medicine. She highlights the importance of engaging students in the department and ensuring they see the undifferentiated, unwell patients that characterize our specialty. Her experiences as a SMACC volunteer and her early involvement in FOAMed (Free Open Access Medical Education) are testaments to the value of early engagement and online education. The Role of Educators One of the significant challenges we face is balancing the educational needs of students with the operational demands of the department. However, investing time in student education is crucial. These students are our future colleagues, and their early exposure to emergency medicine can shape their career choices and prepare them for the challenges ahead. Aromatherapy with Isopropyl Alcohol for Nausea A fascinating study we reviewed involved the use of isopropyl alcohol for nausea relief. The concept of sniffing alcohol swabs to alleviate nausea isn't new, but this study provided robust evidence supporting its effectiveness. Study Design and Results The randomized controlled trial compared the effects of isopropyl alcohol sniffing to oral ondansetron in adult patients presenting with nausea in the emergency department. The results were surprising: patients who sniffed isopropyl alcohol swabs reported greater relief from nausea than those who took ondansetron. Implementation Challenges While the study's findings are promising, implementing this practice consistently in emergency departments can be challenging. Ensuring that alcohol swabs are readily available and that staff are trained to use them effectively is key. Additionally, clarifying whether a Patient Group Directive (PGD) is required for this intervention could streamline its adoption. Reflections on Historical Practices One of the lighter yet insightful pieces this month was a video from the 1970s showcasing a casualty department in Liverpool. Watching historical medical practices can be both amusing and educational, offering a perspective on how far we've come and what future generations might think of our current practices. Educational Value While humorous at times, the video also highlights the core principles of emergency medicine that remain unchanged. It reminds us of the importance of continuous learning and adaptation in our field. Looking Ahead: SMACC 2019 and Beyond As we look forward to the year ahead, we’re excited about the upcoming SMACC conference in Australia in 2019. Planning for study leave and participation in such international conferences is essential for continuous professional development. These events provide unparalleled opportunities for learning, networking, and sharing best practices. Conclusion February has been a month filled with valuable insights, studies, and preparations for future events. The emphasis on pain management in children, engaging medical students, and innovative approaches to nausea relief reflects our ongoing commitment to improving patient care and education in emergency medicine.

Surviving a Relentless Winter: Reflections and Insights from St. Emlyn's Welcome Back to the St. Emlyn's Podcast Welcome to the St. Emlyn's podcast. I'm Iain Beardsell, and I'm Simon Carley. We are delighted to be back with you after what can only be described as a rather tricky winter. The winter season has always been challenging for emergency departments across the UK, but this year felt especially relentless. In this blog post, we will reflect on the past few months, share key insights, and look forward to exciting events on the horizon, including the St. Emlyn's Live conference. The Winter Struggle: A Nationwide Challenge Down south in our emergency department, we have faced significant challenges. Iain shared his experiences: "We have been having a heck of a time. It has been a real struggle. I'm utterly exhausted, and it has only been in the last couple of weeks that it felt like we could breathe again." The situation has been similarly difficult up north. Simon echoed these sentiments: "It's been a bit grim up north, to be honest. This winter felt different, harder. The emergency departments in the UK have always had problems over winter, but it has felt more relentless this year." Unprecedented Pressure and Relentless Demand We didn't have much of a summer to recuperate, and the winter was relentless day in and day out. Our department saw unprecedented pressure, with patient numbers pushing us to our limits. Interesting statistics from our department showed consecutive days of being over capacity, creating concerns about patient care and safety. Despite the exhaustion, we managed to maintain a high standard of care, with complaints remaining at normal levels and even receiving more compliments than usual. Coping Strategies and Positive Outcomes Maintaining patient care while looking after ourselves has been a challenge. We have implemented various strategies to keep on track, from educational events to incredible clinical work. Reflecting on our achievements, Simon highlighted the importance of continuing education and maintaining healthcare standards even under pressure. "We have done some amazing things over the winter, and it is something we can be really proud of," he said. Understanding Public Perception and Political Activity The public's understanding of the pressures in the healthcare system has increased, although tolerance for the challenges faced remains limited. Political activity over the winter saw clinical leads writing to the Prime Minister, and emergency medicine frequently made the front pages of newspapers. However, recent events, such as the nerve agent attack in Salisbury, have shifted the focus away from A&E crowded corridors, providing some relief. Looking Forward to St. Emlyn's Live We have many exciting events coming up this year, including the highly anticipated St. Emlyn's Live conference. Scheduled for Tuesday, the 9th of October in Manchester, this one-day conference will bring us out from behind our microphones and keyboards to present live. The event promises to be hugely cost-effective, with an incredible lineup of speakers from around the world, including Claire Richmond from Sydney Hems, Natalie May, Salim Rezy from the US, and Kat Evans from South Africa. Interactive Learning and Cost-Effective Education We have designed St. Emlyn's Live to be an interactive conference, reflecting everything we aim for in our podcasts and blogs. The conference is priced at £150 for consultants, with discounts available for trainees, registrars, doctors in training, allied health professionals, nurses, and medical students. Given the limited venue size, we expect tickets to sell out quickly, so we encourage early booking. Post-Conference Teaching Course For those looking for more in-depth learning, we are hosting a teaching course on the 10th and 11th of October, directly after the conference. This course focuses on practical education techniques, helping clinician educators improve their teaching skills. It has been highly acclaimed by previous participants, offering a transformative learning experience. Reflecting on Clinical Medicine and Evidence-Based Practice At St. Emlyn's, we value reflection and evidence-based practice. In January, we covered several important topics on our blog, including devastating brain injuries, dizzy patients, and the adrenal trial. Let's delve into these discussions and see what we can learn. Devastating Brain Injuries: Updated Guidance One of the critical topics we discussed was devastating brain injuries. Historically, decisions about the prognosis of patients with severe traumatic injuries or subarachnoid bleeds were often made too quickly, based on initial CT scans. However, recent guidance suggests that we should not make precipitous decisions about patient outcomes solely based on early imaging. In summary, it's essential to give these patients at least 24 to 72 hours before making a prognosis. This allows time for clinical outcomes to become more apparent. In our hospital, we transfer these patients to neuro-intensive care and have a proactive organ donation program, ensuring patients and their families receive the care they deserve. Differentiating Dizziness: Central vs. Peripheral Causes Another challenging area in emergency medicine is dealing with patients presenting with dizziness or vertigo. Differentiating between central causes, such as posterior circulation strokes, and peripheral causes can be difficult but crucial. We highlighted the importance of understanding the difference and utilizing tests like the HINTS exam to aid diagnosis. As emergency physicians, we must continue to educate ourselves on these diagnostic tools. Utilizing resources like the St. Emlyn's blog, YouTube, and FOAMed can help us stay updated and improve patient care. It's essential to be comfortable revisiting and revising our knowledge to ensure accurate diagnoses and appropriate treatment plans. The Importance of Reflection in Medical Practice Reflection is a powerful tool for lifelong learning and self-improvement. Despite recent controversies, such as the case involving a junior doctor in Leicester, we must not abandon reflection. It helps us increase self-awareness, think critically about our practices, and improve our clinical skills. Natalie May's blog post on reflection emphasizes that it's not just about ticking boxes but about purposeful and structured thinking. Her insights from Sydney Hems highlight the importance of integrating reflection into our daily practice to enhance our growth as clinicians. The Adrenal Trial: Steroids in Septic Shock The adrenal trial, reviewed by Dan Horner, examined the use of steroids in septic shock. Published in the New England Journal of Medicine, this trial aimed to determine whether steroids improve outcomes in these patients. The results showed no significant difference in mortality, although some secondary outcomes, such as vasopressor use and ICU days, showed variations. The trial highlights the complexity of medical treatment and the need for continuous learning and evaluation. It reminds us that while some treatments may show promise, their benefits might not always be clear-cut. This underscores the importance of evidence-based practice and staying informed about the latest research. Embracing Continuous Learning and Collaboration Emergency medicine is a dynamic and ever-evolving field. At St. Emlyn's, we are committed to continuous learning, sharing knowledge, and improving patient care. The challenges of winter have tested our resilience, but they have also shown the importance of collaboration, education, and maintaining high standards of care. We encourage our readers and listeners to stay engaged with our content, participate in upcoming events, and continue striving for excellence in their practice. The St. Emlyn's Live conference and the teaching course are excellent opportunities for professional development and networking with peers from around the world. Conclusion: Looking Ahead with Optimism As we move forward into the spring and summer, let's take a moment to reflect on the lessons learned and the progress made. The past winter was tough, but it also demonstrated our ability to adapt, innovate, and support one another. With exciting events like St. Emlyn's Live on the horizon, we have much to look forward to. Thank you for being part of the St. Emlyn's community. Stay connected, stay curious, and let's continue to learn and grow together. Here's to a bright and hopeful future in emergency medicine.

The Importance and Practice of Debriefing in Emergency and Critical Care Debriefing is a crucial process in healthcare settings, particularly in emergency and critical care units. It involves structured discussions following critical events to help teams learn from their experiences and support each other's psychological well-being. This process is not just about operational reflection but also about addressing the emotional impact of challenging situations on healthcare professionals. Understanding Debriefing Debriefing can take two primary forms: hot debriefs and formal debriefs. Hot debriefs occur immediately after an event and focus on operational aspects, such as what happened, what went well, and what could be improved. They are concise and do not delve into the psychological aspects of the incident. These debriefs are valuable for capturing immediate lessons and determining if further, more comprehensive discussions are necessary. Formal debriefs, on the other hand, are conducted five to seven days post-event. This delay allows participants to process initial emotions, making it a more suitable time for in-depth discussions. Formal debriefs cover both operational details and psychological reactions, providing a safe space for staff to express their feelings and thoughts. They are essential for long-term learning and emotional healing, ensuring that the team can move forward positively. Timing and Setting The timing of debriefing is critical. While hot debriefs capture immediate reflections, formal debriefs should not be rushed. Conducting them too soon can be ineffective, as participants might still be too emotionally charged to engage constructively. In our hospital, formal debriefs are usually organized when an event causes significant distress among the staff, whether due to a clinical situation, a tragic incident involving a colleague, or a complex ethical dilemma. The setting for a debrief should be carefully chosen to ensure a conducive environment for open communication. We often use teaching rooms, which are formal enough to maintain the seriousness of the discussion but comfortable and private enough to encourage honesty and confidentiality. Facilitators and Structure Selecting the right facilitators is crucial for a successful debrief. Typically, a social worker, like Liz, and a senior medical consultant co-facilitate. The consultant provides a comprehensive overview of the clinical aspects, while the social worker manages the psychological and emotional discussions. This balance ensures that all relevant facets of the event are covered. A formal debrief generally follows a structured format: Introduction and Ground Rules: The facilitator sets the stage by explaining the purpose of the debrief and establishing ground rules, such as maintaining confidentiality and focusing on constructive feedback. Narrative of the Event: A detailed recount of the incident is provided, clarifying what happened and why certain decisions were made. This helps participants understand the context and avoid misunderstandings. Operational Discussion: The team discusses the operational aspects, identifying what was done well and what could be improved. This is critical for learning and improving future responses. Emotional and Psychological Impact: Participants share their emotional reactions, providing a space for acknowledging the psychological effects of the event. This aspect of debriefing is vital for team support and individual well-being. Closing and Follow-Up: The debrief concludes with a summary and any agreed-upon actions. Facilitators also provide information on additional support resources, if necessary. Challenges and Considerations Debriefing can be challenging, especially in navigating sensitive topics or when there are conflicting opinions. It's essential to create a safe space where all participants feel comfortable sharing. Facilitators must manage the discussion to ensure that dominant personalities do not overshadow quieter voices, encouraging everyone to contribute. In some cases, separate debriefs for different groups involved in the event—such as pre-hospital staff, nurses, and doctors—may be necessary. This approach ensures that discussions are relevant to each group's experiences and prevents unnecessary exposure to distressing details that may not be directly applicable. Broader Implications and Benefits Debriefing should not be limited to negative or critical incidents. Regularly debriefing both positive and challenging events fosters a culture of continuous improvement and support. It helps normalize the practice, making it an integral part of the workplace rather than an extraordinary event. It's important to recognize that not all staff may want to participate in debriefings, and that’s acceptable. Debriefing should always be voluntary, with alternative support mechanisms available for those who need them. The long-term benefits of debriefing are substantial. It helps prevent burnout by providing a space for staff to process their experiences, supports continuous learning, and improves patient care outcomes. A well-implemented debriefing process can enhance team cohesion, reduce staff turnover, and foster a positive workplace culture. Conclusion Debriefing is a vital component of healthcare practice in emergency and critical care settings. It provides a structured approach to reflect on critical events, offering both operational and psychological support to healthcare teams. While it requires time and effort, the benefits for staff well-being and patient care are invaluable. We encourage healthcare professionals to integrate regular debriefing into their practices, not just for critical incidents but as a routine part of their work. This approach helps build a resilient and supportive workplace culture, where staff feel valued and heard. Sharing experiences and learning from each other strengthens the team and ultimately leads to better care for patients. We invite you to share your experiences with debriefing in your hospital. What strategies have worked well? What challenges have you encountered? Connect with us through the St. Emlyn's blog or Twitter, and let's continue the conversation about improving our practices and supporting each other in this challenging yet rewarding field of healthcare. Stay tuned for more insights from St. Emlyn's as we explore the complexities of working in emergency and critical care. Until next time, take care and keep supporting each other.      

Understanding Diagnostic Test Accuracy Studies in Emergency Medicine In the St Emlyn's podcast, hosts Simon Carley and Rick Bodey explore the crucial aspects of diagnostic test accuracy studies, particularly relevant for emergency medicine. This discussion revolves around the PICTR framework, a tool for structuring research questions and critical appraisals in diagnostic studies. PICTR stands for Patient group, Index test, Comparator, Target condition, and Reference standard. Patient Group: Contextual Relevance in Diagnostics The patient group is the specific population in which the diagnostic test is evaluated. It's essential to select a relevant group to ensure the study's findings are applicable to real-world settings. For example, a cardiac marker tested in a specialized cardiology clinic may not perform identically in the diverse environment of an emergency department. In practice, the patient group should include all individuals who present with symptoms indicative of the condition the test aims to diagnose, providing a broad and pragmatic study population. Index Test: The New Diagnostic Tool The index test is the new diagnostic tool being evaluated. Key factors include how and when the test is applied, the conditions under which it is used, and the training of the clinicians administering it. For example, if evaluating a new troponin test, the timing of sample collection and the level of operator training are crucial, as these can significantly influence the test's accuracy and reliability. Understanding these details ensures that the study results can be replicated in different clinical settings and with various levels of clinician expertise. Comparator: Benchmarking Against Existing Tests The comparator is an existing diagnostic test or standard used to measure the new test's effectiveness. This comparison helps determine whether the new test offers improvements over current practices. For instance, when comparing a new scoring system for assessing chest pain against the TIMI risk score, researchers can evaluate which method more accurately identifies patients at risk for acute coronary syndromes. However, not all studies include a comparator, especially if the new test is intended to replace an existing standard entirely. Target Condition: Defining the Diagnosis The target condition refers to the specific illness or condition that the test aims to diagnose. Defining this condition involves setting clinical criteria or thresholds. For example, the criteria for diagnosing myocardial infarction have evolved with advancements in biomarker sensitivity, such as the use of high-sensitivity troponins. A meaningful target condition is one that impacts clinical decision-making and patient management, ensuring that the diagnosis leads to actionable insights that improve patient outcomes. Reference Standard: The Benchmark for Accuracy The reference standard, often called the "gold standard," is the most accurate method available for confirming whether a patient has the target condition. It serves as the benchmark against which the new diagnostic test is measured. However, reference standards can have limitations, such as false negatives or positives. For example, while a CT pulmonary angiogram (CTPA) is a common reference standard for diagnosing pulmonary embolism, it is not perfect. In some cases, a new test may outperform the reference standard, highlighting the need for careful interpretation of study results. Challenges with Reference Standards Applying the reference standard uniformly across all patients can be challenging, especially when the standard is invasive or carries risks. For example, diagnosing subarachnoid hemorrhage typically involves a CT scan followed by a lumbar puncture. However, not all patients may undergo these procedures due to their invasive nature. In such cases, researchers may use follow-up data as a proxy, assuming that if no adverse outcomes occur during the follow-up period, the patient likely did not have the target condition. This approach helps mitigate the ethical concerns and practical challenges associated with applying invasive reference standards to all study participants. It also highlights the importance of being pragmatic when appraising diagnostic studies, focusing on the clinical relevance and applicability of the findings rather than striving for methodological perfection. Practical Considerations in Diagnostic Studies Critical appraisal of diagnostic studies involves evaluating the study's design, including the selection of the patient group, the application of the index test, and the choice of the reference standard. Researchers and clinicians must also consider the study's limitations, such as potential biases or the imperfect nature of the reference standard. These factors can affect the study's conclusions and their relevance to clinical practice. Understanding and applying the PICTR framework helps ensure that diagnostic studies are comprehensive and provide valuable insights for clinical decision-making. It allows for better evaluation of new diagnostic tools, ensuring they are safe, effective, and applicable in real-world clinical settings. Conclusion: The Value of PICTR in Diagnostic Research The PICTR framework provides a structured approach to designing and evaluating diagnostic test accuracy studies. By focusing on patient groups, index tests, comparators, target conditions, and reference standards, researchers can produce more accurate and clinically useful results. This approach is crucial in emergency medicine, where timely and accurate diagnoses can significantly impact patient outcomes. For clinicians, mastering the principles of PICTR enhances the ability to critically appraise research and make informed decisions about the implementation of new diagnostic tests. As diagnostic technologies continue to evolve, the importance of robust, evidence-based assessments will only grow, ensuring high-quality patient care and optimal use of healthcare resources.  

Understanding Devastating Brain Injury: Key Insights and Guidelines In a recent episode of the St Emlyn's podcast, Simon Carley hosted experts Dan Harvey and Mark Wilson to discuss the intricacies of managing devastating brain injury (DBI). The conversation covered new guidelines, the challenges in prognostication, ethical considerations, and practical approaches in clinical settings. This blog post provides a comprehensive summary of their insights, focusing on the importance of standardized care, ethical decision-making, and the role of family involvement. Defining Devastating Brain Injury Devastating brain injury encompasses severe brain damage that often leads to significant long-term impairment or death. These injuries can result from various causes, including trauma, subarachnoid hemorrhage, hypoxic brain injury, and intracerebral hematomas. The term "devastating" highlights the severity of these injuries, but as discussed, the perception of devastation can vary, complicating management and prognostication. The Challenge of Prognostication One of the core issues in managing DBI is the variability in clinical practice across different healthcare settings. This inconsistency can lead to different outcomes depending on where the patient is treated. Dan Harvey emphasized that the new guidelines aim to standardize care, providing a consistent approach regardless of location. The guidelines recommend an observation period of up to 72 hours to gather comprehensive clinical data, crucial for making informed decisions. Mark Wilson highlighted the difficulty in early prognostication, noting that initial presentations can be misleading. Factors such as intoxication, medication effects, or pre-existing conditions can obscure the true extent of brain injury. The term "perceived devastating brain injury" underscores the subjective nature of these assessments, stressing that what appears catastrophic on imaging may not always align with clinical outcomes. The Role of Radiology and Clinical Assessment Radiological findings, while essential, must be interpreted alongside clinical assessments. A severe CT scan may not always correlate with poor clinical outcomes, and vice versa. The discussion stressed the importance of not rushing to judgment based solely on initial imaging or clinical presentation. Recent studies, including those by Hanni Marcus and Mark Wilson, have shown that some patients with poor prognostic indicators can recover better than expected, particularly those with extra-axial hematomas. Ethical Considerations and Family Involvement Ethical considerations are paramount in managing DBI. The definition of a "good recovery" can vary widely among patients and families. For example, elderly patients with significant impairments may still value life, even with extensive care needs. The guidelines emphasize the importance of involving families in discussions about prognosis and treatment, ensuring decisions align with the patient's values and preferences. Understanding the patient's and family's perspectives is crucial in determining the appropriate course of action. This holistic approach ensures that care decisions are not only medically sound but also ethically and personally appropriate. The discussion also highlighted the need for clear communication, helping families navigate complex and emotionally charged situations. The Importance of Time and Observation The guidelines advocate for a period of observation to avoid hasty decisions based on incomplete information. This period, typically up to 72 hours, allows for the identification and management of reversible factors, collection of comprehensive medical history, and better communication with the family. The aim is to reduce the risk of prematurely withdrawing life-sustaining treatment. Practical Decision-Making Determining the level of care for DBI patients involves deciding whether to transfer them to neurocritical care units or manage them in general ICUs. While specialized care offers advanced interventions like intracranial pressure (ICP) monitoring, evidence does not conclusively show that these measures always improve outcomes. The discussion acknowledged the limitations of resources and the importance of considering logistical factors, such as proximity to the patient's family. The guidelines encourage clinicians to make informed decisions based on available evidence and specific case circumstances. They stress that not all DBI patients require transfer to specialized centers, especially when prognosis remains uncertain. The focus should be on providing essential life-saving therapies and monitoring the patient's condition. Transitioning to Palliative Care When recovery is deemed unlikely, transitioning to palliative care becomes a compassionate and appropriate choice. The guidelines stress the importance of clear communication with the family, ensuring they understand the prognosis and rationale behind limiting or withdrawing aggressive treatment. Palliative care focuses on symptom management, comfort, and supporting the patient and family, addressing not only physical but also emotional and psychological needs. Organ Donation Considerations Organ donation is an important consideration for DBI patients when the prognosis is poor. The guidelines recommend discussing this option with the family as part of end-of-life care planning. These discussions should be handled sensitively, providing clear information and respecting the family's wishes. Organ donation can provide hope and purpose in the face of tragedy, potentially saving other lives. Conclusion and Key Takeaways The St Emlyn's podcast episode on devastating brain injury provides crucial insights into the complexities of managing this challenging condition. The newly published guidelines offer a structured approach, emphasizing comprehensive assessment, ethical considerations, and family involvement. Key Takeaways: Standardize Practice: Reduce variability in DBI management by adhering to standardized guidelines, ensuring consistent and high-quality care. Comprehensive Assessment: Utilize both clinical and radiological assessments to inform prognosis. Avoid premature conclusions based on incomplete data. Ethical and Family Considerations: Engage with families to align treatment decisions with the patient's values and wishes. Provide clear, compassionate communication throughout the process. Observation Period: Allow an appropriate observation period to clarify the patient's condition and potential for recovery. Palliative Care: Transition to palliative care when necessary, prioritizing patient comfort and dignity. Organ Donation: Discuss organ donation as part of end-of-life planning, handling these conversations with care and respect. By following these guidelines, healthcare professionals can navigate the complexities of managing DBI with greater confidence and compassion, ultimately improving patient outcomes and supporting families through challenging times. For more detailed information and resources, visit the St Emlyn's blog and stay updated with the latest in emergency and critical care.

Summary: St Emlyn's December Highlights and 2018 Outlook Introduction In the latest Sentiment podcast, Simon Carly and Natalie May review the December highlights from St Emlyn's and provide a preview of exciting upcoming events in 2018. The month featured a range of content, including clinical insights, wellbeing initiatives, and journal club discussions, while the upcoming year promises numerous educational opportunities. December Highlights 1. Insights from the Intensive Care Society Meeting Dan Horner attended the Intensive Care Society meeting in Liverpool, where Paul Young from New Zealand emphasized the scarcity of high-quality evidence for many intensive care interventions. He urged practitioners to critically evaluate the evidence behind their practices. Another notable topic was contrast-induced nephropathy (CIN), with debates on its clinical significance. This post is essential for those in intensive care, providing a thorough overview of the current challenges and evolving practices in the field. 2. Updated Guidelines for Managing Paracetamol Overdose A significant update discussed new guidelines for handling accidental therapeutic excess of paracetamol. The new approach moves away from automatic hospitalization, advocating for a more measured response based on clinical assessments and specific blood test results, such as INR and liver function tests. This shift is crucial for emergency medicine practitioners, helping to avoid unnecessary hospital admissions and focus resources on patients who need them most. 3. The ED Wellness Spa Initiative Laura highlighted the innovative ED Wellness Spa initiative in Manchester, designed to support clinician wellness. The spa provides a dedicated space in the ED for staff to relax and rejuvenate, featuring elements like a gratitude tree and wall, wellness literature, and mindfulness tools. It also includes team-building activities, such as raft building, aimed at fostering a supportive and cohesive team environment. This initiative is a pioneering effort to address healthcare provider burnout, promoting a holistic approach to staff well-being. 4. Pain Management in Minor Trauma Gareth reviewed a study from the Annals of Emergency Medicine comparing the effectiveness of paracetamol, NSAIDs, and their combination in treating minor musculoskeletal trauma. The study found no significant difference in pain relief among the groups, suggesting paracetamol alone is sufficient. This challenges the routine use of combination therapies and supports a simpler, safer approach to pain management in emergency settings. 5. The Marcy Pan Guidelines on Anorexia Management Vicki Vella discussed the Marcy Pan guidelines for managing severe anorexia, emphasizing the condition's high mortality rate and the need for careful clinical management. The guidelines include the use of the SUSS (Sit-Up Squat Stand) test to assess physical health and identify critical cases. Vicki also highlighted the issue of diabulimia, where individuals with type 1 diabetes manipulate insulin to lose weight, underscoring the importance of screening for eating disorders in these patients. Upcoming Events in 2018 1. Teaching Cooperative Course in Cape Town The year kicks off with the Teaching Cooperative Course in Cape Town from March 20-21. This course aims to transform medical education by moving away from traditional lectures to interactive, hands-on learning experiences. It is an excellent opportunity for educators to refine their teaching methods and engage more effectively with students. 2. BAD-EM Fest and St. Emlyn's Live Following the Cape Town course, the BAD-EM Fest will be held from March 22-25, offering a unique blend of academic and creative sessions. Later in the year, St. Emlyn's Live will return to Manchester on October 9, providing another chance for professionals to delve into critical topics in emergency medicine. 3. FIX Courses in New York The FIX (FemInEM Ideas eXchange) conference, set for October 17-18 in New York, focuses on gender equity in emergency medicine. The event features diverse speakers and workshops aimed at promoting inclusivity and equity in the medical profession. It's a must-attend for those committed to fostering a more equitable work environment. 4. RISUS Litology Course in New South Wales In New South Wales, the RISUS Litology course will offer advanced training in resuscitation. The course, featuring experts like Cliff Reed and Karl Harbig, will focus on high-quality, evidence-based techniques through case-based discussions. This event is ideal for advanced practitioners seeking to deepen their knowledge and skills in resuscitation. Final Thoughts The St. Emlyn's team expresses gratitude to its community for their continued engagement and support. While not everyone can attend these conferences, the team remains committed to sharing key learnings through their blog and podcast, ensuring that valuable knowledge is accessible to all. The upcoming year promises further opportunities for learning and professional growth, fostering a global community of compassionate and informed emergency medicine professionals. As the St. Emlyn's community looks forward to 2018, the team is excited to continue offering high-quality content and engaging with healthcare professionals worldwide. Here's to another year of growth, learning, and sharing in the vibrant field of emergency medicine.  

Natalie and Simon discuss reflections, e-books and life at Sydney HEMS. This week we have added Lorikeets in the background (Nat recorded at Coogee Bay in NSW). We think they sound cute so we've kept them in (or rather we could not edit them out). S

Reflections from November: Key Discussions on Triage, TXA, and Challenges in the ED In November, the St. Emlyns team, led by Natalie May and Simon Carley, explored a variety of critical topics in emergency medicine. These ranged from the complexities of triage in emergency departments to the debated use of tranexamic acid (TXA) and the daily challenges faced by ED professionals. This post encapsulates the key discussions, insights, and upcoming events that shape our understanding and practice in emergency medicine. Triage in Emergency Medicine: Beyond Categorization Laura’s post on triage revisited its historical origins, particularly Dominique Jean-Larry's battlefield practices. Traditionally, triage involves categorizing patients by the severity of their conditions. However, Laura emphasized a crucial, often overlooked aspect: prioritizing patients based on actionable interventions. This approach challenges us to consider not just the severity of conditions but the potential impact of timely treatments. This nuanced perspective is particularly relevant in pediatric trauma triage, where no existing tools perfectly balance sensitivity and specificity. The discussion raised an essential question: In major incidents, should we prioritize resources for patients with severe but untreatable injuries, or those with treatable conditions at risk of deterioration? The post also addressed the unrealistic diagnostic expectations placed on triage systems. For example, can triage systems accurately distinguish between a tension pneumothorax and a panic attack? This issue highlights the importance of understanding the specific purposes for which triage tools are designed. For instance, the Manchester Triage System (MTS) was not intended to predict ICU admissions or sepsis but to prioritize immediate care needs. The Cath Lab Debate for Out-of-Hospital Cardiac Arrests A significant debate in emergency medicine revolves around the management of patients without ST-segment elevation myocardial infarction (NSTEMI) after out-of-hospital cardiac arrest. A meta-analysis reviewed whether these patients should be directly taken to the cath lab. While findings indicated a potential reduction in mortality, the decision to proceed with angiography must be nuanced. Simon Carley noted that not all patients benefit from immediate cath lab access, especially when the issue might be electrical rather than structural. In Sydney, the two-tier trial leans towards early cath lab interventions, even prioritizing them over initial CT scans in suspected subarachnoid hemorrhage cases. This proactive stance contrasts with more conservative approaches in other regions, highlighting the importance of tailored patient care. The discussion emphasized the need for collaboration with cardiologists to determine the best course of action based on the patient's clinical presentation and suspected pathology. This careful selection process ensures that patients receive appropriate and potentially life-saving interventions. Tranexamic Acid (TXA) in Trauma: Timing Matters The use of tranexamic acid (TXA) in trauma care remains a critical topic. A recent reanalysis of TXA trials underscored that earlier administration is linked to better outcomes, particularly in reducing mortality due to bleeding. The CRASH-2 trial supports the early use of TXA, particularly within three hours of injury, for its anti-fibrinolytic effects. However, concerns about "mission creep"—where TXA is administered to all trauma patients regardless of bleeding risk—were raised. The St. Emlyns team advocates for a more selective approach, administering TXA primarily to patients likely to require blood transfusions. This strategy not only aligns with evidence-based practices but also prevents unnecessary treatment and optimizes resource use. Coping with Challenges in the Emergency Department Janos Baynham addressed the increasing pressures in emergency departments, highlighting how growing patient numbers and resource constraints strain healthcare professionals. Janos offered practical tips to improve morale and resilience, including maintaining a positive attitude, expressing gratitude, and supporting colleagues. Open communication about the stresses and challenges of the job is vital. Creating a supportive environment where team members can share their experiences helps mitigate burnout and fosters a more cohesive work culture. Janos emphasized that small actions, like saying thank you and acknowledging hard work, can significantly boost team morale. This discussion serves as a reminder that while the demands of emergency medicine are high, there are practical ways to manage stress and support each other. Recognizing and addressing these challenges is crucial for maintaining a healthy and effective workforce in the ED. HIV Screening in the ED: A Public Health Perspective Gareth Roberts highlighted the importance of routine HIV screening in emergency departments, especially in areas with high HIV prevalence. EDs often serve as the primary healthcare contact for at-risk populations, such as young men who may not regularly visit other healthcare providers. Routine HIV screening in the ED can identify undiagnosed cases, facilitating early treatment and reducing transmission risks. This proactive approach also helps normalize HIV testing, reducing stigma and encouraging more people to learn their status. By integrating HIV screening into routine care, EDs can play a crucial role in public health efforts to control the spread of the virus. Upcoming Events and Learning Opportunities The blog also discussed exciting upcoming events, such as the BadEM Fest in Cape Town and the teaching cooperative, formerly known as the teaching course. These events promise immersive learning experiences, focusing on community and shared knowledge. BadEM Fest, in particular, offers a unique format that emphasizes participatory learning and co-creation. Attendees engage in discussions, workshops, and shared storytelling, enriching their professional knowledge and skills. This type of conference represents a shift towards more interactive and inclusive professional development opportunities, fostering deeper connections and practical learning. Conclusion November’s reflections highlight the multifaceted nature of emergency medicine, from complex clinical decisions to the everyday challenges of working in a high-pressure environment. Whether it's refining triage processes, debating the best use of TXA, or addressing public health issues like HIV, the St. Emlyns team continues to explore critical topics that impact our practice and patient care. As we move into December, staying connected and engaged with these discussions is essential. The upcoming events offer further opportunities for professional growth and learning. Thank you for joining us on this journey through November’s highlights. Stay tuned for more updates and insights from the St. Emlyns team, and continue to thrive in the ever-challenging world of emergency medicine.