Torsades de Pointes

A malignant form of polymorphic ventricular tachycardia that is characterized by HEART RATE between 200 and 250 beats per minute, and QRS complexes with changing amplitude and twisting of the points. The term also describes the syndrome of tachycardia with prolonged ventricular repolarization, long QT intervals exceeding 500 milliseconds or BRADYCARDIA. Torsades de pointes may be self-limited or may progress to VENTRICULAR FIBRILLATION.

Also Known As:

Torsade de Pointes; Pointes, Torsade de; Pointes, Torsades de; de Pointes, Torsade; de Pointes, Torsades

Cardiovascular Diseases: 94258
- Heart Diseases: 26486
  - Cardiac Arrhythmias: 21201
    - Tachycardia: 15935
      - Ventricular Tachycardia: 12821
        Torsades de Pointes: 2323
  - Cardiac Conduction System Disease: 95
    - Tachycardia: 15935
      - Ventricular Tachycardia: 12821
        Torsades de Pointes: 2323
Signs and Symptoms Pathological Conditions
- Pathologic Processes: 10385
  - Cardiac Arrhythmias: 21201
    - Tachycardia: 15935
      - Ventricular Tachycardia: 12821
        Torsades de Pointes: 2323

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Drug/Important Bio-Agent (IBA)