A stable patient has a regular narrow-complex tachycardia at 180 beats per minute. What is the first step?

Answer and explanation

Correct answer: D. Vagal manoeuvres, followed by adenosine if they fail

  1. Step 1: Supraventricular tachycardia in a stable patient is managed with vagal manoeuvres and then adenosine.
Answer
Vagal manoeuvres, followed by adenosine if they fail.
Why not the others: Cardioversion is reserved for unstable patients.

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