Question

A 45-year-old woman presents with episodic palpitations, sweating and tremor. Thyroid function is normal. ECG during symptoms shows narrow complex tachycardia at 180 bpm with no visible P waves. Which is the most likely diagnosis?

Accepted Answer

Paroxysmal supraventricular tachycardia (AVNRT)

Answer

Atrial fibrillation

Answer

Atrial flutter

Answer

Ventricular tachycardia

Answer

Sinus tachycardia

Practice question

A 45-year-old woman presents with episodic palpitations, sweating and tremor. Thyroid function is normal. ECG during symptoms shows narrow complex tachycardia at 180 bpm with no visible P waves. Which is the most likely diagnosis?