6th March 2024

A 65-year-old patient attends the ED with shortness of breath.

A 65-year-old patient attends the ED with shortness of breath. Her chest is clear on auscultation but you note the ECG rhythm is irregularly irregular at a rate of around 130 bpm. There are no previous ECGs for comparison and she is not known to have AF. She is apyrexial with a blood pressure of 128/72 mmHg. She does not drink alcohol or caffeinated drinks, has no other history of note and takes no regular medication. What would you give to control her heart rate?

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