<unk> ,<unk>  or<unk>  <unk>  (, , translated as "twisting of peaks") is a specific type of abnormal heart rhythm that can lead to sudden cardiac death. It is a polymorphic ventricular tachycardia that exhibits distinct characteristics on the electrocardiogram (ECG). It was described by French physician François Dessertenne in 1966. Prolongation of the QT interval can increase a person's risk of developing this abnormal heart rhythm, occurring in between 1% and 10% of patients who receive QT-prolonging antiarrhythmic drugs.
Torsades de pointes
Ventricular fibrillation
Pre-excitation syndrome
Brugada syndrome
Pacemaker syndrome
Takotsubo cardiomyopathy
Sudden arrhythmic death syndrome
Unstable angina