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Types of bundle branch reentry tachycardia
| Type A | Type B (Interfascicular Tachycardia) | Type C | |
|---|---|---|---|
| ECG morphology | LBBB pattern | RBBB pattern | RBBB pattern |
| Anterograde limb | RBB | LAF or LPF | LBB |
| Retrograde limb | LBB | Contra‐left fascicle | RBB |
Abbreviations: LAF, left anterior fascicle; LBB, left bundle branch; LBBB, left bundle branch block; LPF, left posterior fascicle; RBB, right bundle branch; RBBB, right bundle branch block.
