207 2 360 650000 207.dat 212 200 11 1024 981 11594 0 MLII 207.dat 212 200 11 1024 1043 -9539 0 V1 # 89 F 859 694 x1 # Digoxin, Quinaglute # This is an extremely difficult record. The predominant rhythm is normal # sinus with first degree AV block and left bundle branch block. There are # periods when the conduction block changes to a right bundle branch block # pattern. The PVCs are multiform. Idioventricular rhythm appears following # the longest episode of ventricular flutter. The record ends during the # episode of SVTA.