Author: Jason Kendall / Editor: Tajek Hassan / Reviewer: Louise Burrows, Tadgh Moriarty / Codes: A1, CC1 / Published: 11/11/2022
A 27-year-old man presents to the Emergency Department (ED) with a history of collapse whilst on a treadmill at his local gymnasium. He was witnessed to have been briefly unresponsive but there was no seizure activity. An ambulance was called, but upon arrival consciousness had been regained and he appeared well. He denied any chest pain nor could he recall having any sinister pre-syncopal symptoms.
He has no specific illnesses, takes no medications, is a non-smoker and takes no recreational drugs.
On examination he has a mild tachycardia with a rate of about 100 beats per minute but otherwise his physiological observations are normal. Cardiac and respiratory auscultation is normal. He is alert and orientated.
His ECG is shown below:
