The diagnosis is normal sinus rhythm, atrial bigeminy, first-degree atrioventricular (AV) block (prolonged AV conduction), and right bundle branch block (RBBB). The rhythm is slightly irregular, with ...
The correct diagnosis is atrial fibrillation with PVC and Ashman phenomenon (Figure 2). The rhythm is irregularly irregular without any organized atrial activity. Most of the QRS complexes are narrow, ...