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Cerebral venous sinus thrombosis — RCPSC EM MCQ

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HardNeurological emergenciesCerebral venous sinus thrombosisRCPSC EM

A 15-year-old has exertional syncope and bidirectional ventricular tachycardia during exercise testing; the resting ECG and echocardiogram are normal. After stabilization, which preventive plan is most appropriate?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: C — Start nadolol, restrict strenuous exercise and arrange inherited-arrhythmia care

Explanation lettering: D = shown as A · C = shown as B · E = shown as C · A = shown as D · B = shown as E

E is correct for CPVT: a long-acting nonselective beta blocker, preferably nadolol, plus exercise restriction and specialist evaluation is first-line. A, B and D do not provide established first-line suppression. C does not treat catecholamine-triggered ventricular arrhythmia.

Reference: Emergency Care BC, Catecholaminergic Polymorphic Ventricular Tachycardia—Treatment: https://emergencycarebc.ca/clinical_resource/clinical-summary/catecholaminergic-polymorphic-ventricular-tachycardia-cpvt-treatment/