Cannot intubate cannot oxygenate after RSI — RCPSC EM MCQ
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Correct answer: A — Perform emergency front-of-neck access, then confirm ventilation with capnography
Explanation lettering: C = shown as A · A = shown as C · E = shown as D · D = shown as E
C is correct in a cannot-intubate, cannot-oxygenate emergency. D and E use the remaining oxygen reserve without restoring ventilation. A and B are unsuitable while oxygenation has failed. This is a rescue oxygenation procedure rather than a diagnostic decision.
Reference: Emergency Care BC, Difficult Airway Management: https://emergencycarebc.ca/clinical_resource/clinical-summary/difficult-airway-management/