Anaes Vivas · Neuromuscular blockade & reversal
Suxamethonium: depolarising block and its problems
Viva on the pharmacology of suxamethonium, the phase I/II block, and its safety profile.
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Target exams
ANZCAFRCAABAEDAICFCAIFCA_SA
Prompt
A train-of-four trace showing a phase I depolarising block (four equal but reduced twitches, no fade) beside a phase II block trace (clear fade, T4 smaller than T1).
Stimulus
A train-of-four trace showing a phase I depolarising block (four equal but reduced twitches, no fade) beside a phase II block trace (clear fade, T4 smaller than T1).
References4ShowHide
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- [2]O'Connell DH, et al. Outcomes of Succinylcholine and Rocuronium for Rapid Sequence Intubation in the Emergency Department. West J Emerg Med, 2026.PMID 42258841
- [5]Fang Y, Mei W, Bi J Considerations for diverse RYR1 variants in malignant hyperthermia susceptible patients: a report of two cases. BMC Anesthesiol, 2026.PMID 42271251
- [7]Puxty KA, et al. Cardiac arrest in adult patients following burn injury: a scoping review with expert recommendations on management. Scand J Trauma Resusc Emerg Med, 2026.PMID 41507944