A 72-year-old man with a history of ulcerative colitis, which has been stable, and hypertension, for which he has been taking an angiotensin-converting enzyme inhibitor and β-blocker, presents to his primary care physician for a routine physical examination. The results of the examination are normal, but a slow pulse rate is noted. An ECG is obtained (A).
As a result, the patient is sent to the emergency department where a second ECG is obtained (B). What is the diagnosis?
To submit your diagnosis, go to http://circ.ahajournals.org/letters/submit/circulationaha;131/17/1528. The diagnosis will follow in next week's issue (May 5).
Please go to the journal’s Facebook page for more ECG Challenges: http://goo.gl/cm4K7. Challenges are posted on Tuesdays and Responses on Wednesdays.
- © 2015 American Heart Association, Inc.