A 76-year-old man with a history of atrial fibrillation (treated with a beta-blocker and diltiazem for rate control) presents to the emergency department with lightheadedness and shortness of breath. His blood pressure is normal, but his heart rate is slow. A 12-lead ECG is obtained.
Medscape Cardiology © 2021 WebMD, LLC
Any views expressed above are the author's own and do not necessarily reflect the views of WebMD or Medscape.
Cite this: ECG Challenge: What Triggered This AF Patient's Shortness of Breath? - Medscape - Apr 22, 2021.