Polymorphic vs Monomorphic Ventricular
| Feature |
Polymorphic Ventricular Tachycardia (PVT) |
Monomorphic Ventricular Tachycardia (MVT) |
| Basis of Characterization | Characterized by variable QRS complex on ECG | Characterized by consistent QRS complex on ECG |
| Origin of Ventricular Activation | Reentry mechanism | Focal trigger |
| Risk Factors | Inherited conditions, certain medications, electrolyte imbalances | Structural heart disease, certain medications, electrolyte imbalances |
| Association with QT Interval | More likely to have prolonged QT interval | More likely to have normal QT interval |
| Treatment | Treatable with various options | Treatable with various options |
| Recurrence | Can recur | Can recur |
| Prognosis | Generally worse than MVT | Varies, but generally better than PVT |
Summary
Polymorphic vs Monomorphic Ventricular Tachycardia: PVT and MVT are both types of ventricular tachycardia, a fast heart rhythm originating from the ventricles. The key difference between PVT and MVT is that PVT is characterized by a constantly changing QRS complex, while MVT has a consistent QRS complex. Both can be life-threatening and require immediate treatment.
Difference Between Polymorphic and Monomorphic Ventricular Tachycardia
Polymorphic ventricular tachycardia (PVT) and Monomorphic ventricular tachycardia (MVT) are both types of ventricular tachycardia (VT), which is a fast heart rhythm originating from the ventricles. The key difference between PVT and MVT is that PVT is characterized by a constantly changing QRS complex, while MVT has a consistent QRS complex.
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