27th September 2021

A 63-year-old female with a history of cardiac problems presents after feeling generally unwell

A 63-year-old female with a history of cardiac problems presents after feeling generally unwell and more tired than usual. A 12-lead ECG is performed, demonstrating a clear bradycardia of 39bpm, narrow and regular QRS complexes, but no P waves present.

What is the most likely arrhythmia that she is experiencing? Select ONE option only.