Prolonged QT Interval by ECG Finding

**Semantic type:** Finding

**Definition:** An electrocardiographic finding in which the QT interval not corrected for heart rate is prolonged. Thresholds for different age, sex, and patient populations exist.

**Synonyms:** - PROLONGED QT - Prolonged QT - Prolonged QT - Prolonged QT - Prolonged QT Interval - Prolonged QT Interval by EKG Finding - Prolonged QT interval - QT Prolongation