Anaesthesia Coffee Break Viva practice with Katherine! - Ketamine, neurophysiology and ICP, anaphylaxis, normal saline
Sep 3, 2021
Katherine, an anaesthesia trainee prepping for her ANZCA Part 1 viva, engages in a lively discussion about key topics. She breaks down ketamine’s pharmacology and its unique enantiomers while diving into intracranial pressure and the Monro-Kellie doctrine. Katherine also tackles the complexities of anaphylaxis, discussing its pathophysiology and treatment with adrenaline. Lastly, she clarifies the isotonic nature of normal saline and its implications, making for an enlightening and dynamic session.
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Use A Weekly Study Group
- Be consistent and use a study group with weekly tasks to stay accountable.
- Katherine credits this routine for steady progress toward the exam.
Ketamine: Pharmacology And Presentation
- Ketamine is an NMDA receptor antagonist with multiple clinical roles beyond induction.
- It is usually supplied as a 10 mg/mL racemic solution with acidic pH around 4.
Racemic Ketamine Means R+S Enantiomers
- Ketamine is racemic: equal R and S enantiomers.
- Pure S-ketamine exists elsewhere but Australia mainly uses the racemate.