A 45-year-old man with no structural heart disease has episodic palpitations. ECG in clinic shows narrow-complex tachycardia at 190 beats/min consiste...

Question

A 45-year-old man with no structural heart disease has episodic palpitations. ECG in clinic shows narrow-complex tachycardia at 190 beats/min consistent with paroxysmal supraventricular tachycardia. He is haemodynamically stable. After vagal manoeuvres fail, which is the most appropriate next acute treatment?

Accepted Answer

Intravenous adenosine rapid bolus

Answer

Intravenous amiodarone

Answer

Synchronized direct-current cardioversion

Answer

Intravenous beta-blocker infusion

Answer

Oral flecainide

ca-mccqe1 MCQ (SBA): Paroxysmal supraventricular tachycardia