A 30-year-old woman presents to the emergency department with palpitations and shortness of breath. ECG shows narrow-complex tachycardia at 190 beats/...

Question

A 30-year-old woman presents to the emergency department with palpitations and shortness of breath. ECG shows narrow-complex tachycardia at 190 beats/min consistent with supraventricular tachycardia (SVT). She is haemodynamically stable. What is the most appropriate initial management?

Accepted Answer

Carotid sinus massage or other vagal manoeuvres

Answer

Synchronised cardioversion

Answer

Intravenous lidocaine

Answer

Immediate intravenous beta blocker without vagal manoeuvres

Answer

Observation only with no treatment

ca-mccqe1 MCQ (SBA): Supraventricular tachycardia - initial management

A 30-year-old woman presents to the emergency department with palpitations and shortness of breath. ECG shows narrow-complex tachycardia at 190 beats/min consistent with supraventricular tachycardia (SVT). She is haemodynamically stable. What is the most appropriate initial management?