PART 10: Disorders of the Cardiovascular System SECTION 3 Disorders of Rhythm e30 Atlas of Cardiac Arrhythmias | Print | Close Window | < Previous | Next > | Figure e30-4 Figure e30-4 Sinus rhythm (P wave rate about 60/min) with 2:1 (second-degree) AV block yielding a ventricular (pulse) rate of about 30/min. Left atrial abnormality. RBBB with left anterior fascicular block. Possible inferior MI. |