A
B
C
D
E
1


AJ

regular

narrow QRS

HR 60-100

P wave: inverted, absent, after QRS

1


AJ

1


JR

1


SR

PVC

1


SR

TRIGEMINY PVC

2


idioventricular

regular

wide QRS

HR 20-40

P wave: no

2


SR

COUPLET PVC

2


JT

2


AJ
2


JR

3


SR

MULTIFOCAL PVC

3


AJ

3


IVR

regular

wide QRS

P wave: no

HR 20-40

3


AJ

3


AJ

4


SR 

PVC


4


SR

bigeminy PVC

4


JR

4


TdP (Torsades de Pointes)

4


SR

BIGEMINY PVC

5


JR

5


JT

5


JT

5


AJ

5


AJ