4th May 2025

A 21-year-old university student has just presented to the emergency department following a binge of alcohol on a night out.

A 21-year-old university student has just presented to the emergency department following a binge of alcohol on a night out. He has a past medical history of asthma and notes a family history of Wolff-Parkinson-White syndrome (WPW) syndrome. He is complaining of palpitations which started 30 minutes ago and are persistent.

He has a heart rate of 177 bpm and a blood pressure of 115/87mmHg. An ECG shows pre-excited atrial fibrillation.

Which of the following drug therapies would be appropriate?

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