Practice Level 5 Case 1: A 65-Year-Old Man with a Previous Bypass Surgery History Diagnosis History A 65-year-old man with a previous history of bypass surgery presents to the family doctor’s office, complaining of new fatigue: Diagnosis Atrial Flutter (AFL) with occasional paced QRS complexes and pseudofusion beatsLeft bundle branch block ECG ID: E779 Bookmark Please login to bookmark Username or Email Address Password Remember Me No account yet? Register