Calcium channel blocker overdose — RCPSC EM MCQ
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Correct answer: B — Control BP and start nimodipine while expediting definitive aneurysm treatment
Explanation lettering: D = shown as A · E = shown as D · A = shown as E
B is correct: early care balances rebleeding against cerebral perfusion, starts nimodipine and expedites aneurysm treatment. C increases rebleeding risk. D promotes hemorrhage. E misses prophylactic nimodipine benefit. A risks hyponatremia and cerebral edema.
Reference: Emergency Care BC, Subarachnoid Hemorrhage—Treatment: https://emergencycarebc.ca/clinical_resource/clinical-summary/subarachnoid-hemorrhage-treatment/