The recording shows atrial fibrillation. The QRS is wide (> 120 ms.) has a left axis deviation and a large R' in V1 with a S in I and V6. The EKG shows a complete right bundle branch block and a left anterior fasicular block.
Rate (/min) 89 QT (ms) 370
pr (ms) QRS axis (degrees) -40
QRS (ms) 154