Critical Care Time REBOOT 1. Undifferentiated Shock Part 1
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Jan 13, 2025 The hosts explore the complexities of diagnosing and treating undifferentiated shock in critical care. They highlight the urgency of concurrent diagnosis and treatment, while humorously navigating the challenges of parenthood. Key physiological concepts, such as oxygen dynamics and vital signs, are discussed to emphasize the importance of timely intervention. The use of non-invasive cardiac output monitors is also unveiled as a valuable tool in improving patient assessment. Overall, it’s a deep dive into the critical elements of shock management.
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Lidocaine Patch Effectiveness
- Nick Mark found lidocaine patches surprisingly effective for rib fracture pain.
- He experienced significant pain after not wearing one while intubating.
Oxygen Delivery and Consumption
- Oxygen delivery typically exceeds consumption by several folds; normal extraction ratio is about 4:1.
- Most oxygen isn't unloaded at rest, providing a large reserve.
Lactate and Hypoxia
- Lactic acidosis in hypoxia occurs when tissues lack enough oxygen for metabolism.
- They resort to anaerobic metabolism, which produces lactate.