Question

A 27-year-old woman presents with acute onset of palpitations. ECG shows narrow-complex tachycardia at 190 beats/min consistent with paroxysmal supraventricular tachycardia (PSVT). She is haemodynamically stable. What is the best initial management?

Accepted Answer

Vagal manoeuvres such as modified Valsalva

Answer

Synchronous DC cardioversion immediately

Answer

Intravenous digoxin

Answer

Intravenous lidocaine

Answer

Observe without intervention

Practice question

A 27-year-old woman presents with acute onset of palpitations. ECG shows narrow-complex tachycardia at 190 beats/min consistent with paroxysmal supraventricular tachycardia (PSVT). She is haemodynamically stable. What is the best initial management?