Question

A 68-year-old man with atrial fibrillation and heart failure presents with a narrow-complex tachycardia at 160 beats/min that is regular. Vagal manoeuvres are ineffective. Blood pressure is stable. What is the most appropriate next step in management?

Accepted Answer

Intravenous adenosine bolus

Answer

Synchronised DC cardioversion immediately

Answer

Start amiodarone infusion

Answer

Give intravenous beta blocker without clarification

Answer

No treatment is required

Practice question

A 68-year-old man with atrial fibrillation and heart failure presents with a narrow-complex tachycardia at 160 beats/min that is regular. Vagal manoeuvres are ineffective. Blood pressure is stable. What is the most appropriate next step in management?