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Stable supraventricular tachycardia — RCPSC EM MCQ

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EasyCardiovascular emergenciesStable supraventricular tachycardiaRCPSC EM

A 29-year-old has sudden palpitations. ECG shows regular narrow-complex tachycardia at 190/min. BP is 118/72, he is alert, and modified Valsalva manoeuvre fails. What is the most appropriate next step?

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Correct answer: AGive rapid IV adenosine with continuous ECG monitoring

Stable regular narrow-complex SVT after vagal manoeuvres is treated with rapid adenosine under monitoring.

Reference: Heart and Stroke Foundation of Canada ACLS guidance