| Normal (N) |
Normal beat (NOR) |
N |
|
Nodal (junctional) escape beat (NE) |
j |
|
Atrial escape beat (AE) |
e |
|
Right bundle branch block beat (RBBB) |
R |
|
Left bundle branch block beat (LBBB) |
L |
| Supraventricular ectopic beat (SVEB) |
Aberrated arial premature beat (aAP) |
a |
|
Premature or ectopic supraventricular beat (SP) |
S |
|
Nodal (junctional) premature beat (NP) |
J |
|
Atrial premature beat (AP) |
A |
| Ventricular ectopic beat (VEB) |
Ventricular escape beat (VE) |
E |
|
Premature ventricular contraction (PVC) |
V |
| Fusion beat (F) |
Fusion of ventricular and normal beat (fVN) |
F |
| Unknown beat (Q) |
Unclassifiable beat (U) |
Q |
|
Fusion of paced and normal beat (fPN) |
f |
|
Paced beat (P) |
/ |
