22nd May 2025

You are called to see a 65-year-old man who presents with palpitations.

You are called to see a 65-year-old man who presents with palpitations. His heart rate is 180 beats per minute and regular. Bedside observations demonstrate a blood pressure of 140/90mmHg, saturation of 96% on room air and a respiratory rate of 18 breaths per minute. An ECG is performed which demonstrates a regular broad complex tachycardia. What is the most appropriate next step? 

Select the SINGLE most appropriate option from the list below. Select ONE option only.