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Fascicular ventricular tachycardias
| I. Verapamil-sensitive fascicular reentrant VT |
| 1. Left posterior type |
| i. Left posterior septal fascicular reentrant VT |
| ii. Left posterior papillary muscle fascicular reentrant VT |
| 2. Left anterior type |
| i. Left anterior septal fascicular reentrant VT |
| ii. Left anterior papillary muscle fascicular reentrant VT |
| 3. Upper septal type |
| II. Nonreentrant fascicular VT |
VT = ventricular tachycardia.
