This cardiology case report from Brady Pregerson, MD, features man in his late-60s presenting to urgent care with 3 days of upper respiratory infection symptoms and one episode of near syncope. Check out the ECG and see if you can determine the correct diagnosis!
A patient in their late-60s with no cardiac history presents to the urgent care with 3 days of upper respiratory infection symptoms and one episode of near syncope today. He denies palpitations, chest pain, SOB, leg swelling, fever or other complaints.
Vital signs are normal. The physical exam is normal except for a regularly-irregular rhythm
An ECG is performed:
What is the most likely rhythm in this patient?