Question

A 30-year-old woman presents with episodic palpitations and tremor. Thyroid function tests are normal. ECG during symptoms shows narrow complex tachycardia at 180 bpm with absent P waves. Vagal manoeuvres fail to terminate it. What is the most appropriate next acute treatment?

Accepted Answer

Adenosine intravenous bolus

Answer

Amiodarone infusion as first-line

Answer

Immediate DC cardioversion in all cases

Answer

Beta blocker oral dose only

Answer

Digoxin

Practice question

A 30-year-old woman presents with episodic palpitations and tremor. Thyroid function tests are normal. ECG during symptoms shows narrow complex tachycardia at 180 bpm with absent P waves. Vagal manoeuvres fail to terminate it. What is the most appropriate next acute treatment?