Diagnostic finding

Flat T wave

A decreased-amplitude ventricular repolarization wave on the ECG, characterized by a low-amplitude T wave due to abnormal ventricular repolarization.

Causes

  • Myocardial ischemia

  • Myocarditis

  • Pericardial effusion

  • Myocardial hypertrophy

  • Hypothyroidism

  • Electrolyte disturbances

    • Hypokalemia

    • Hypomagnesemia

    • Hypocalcemia

  • Medications and substances

    • Diuretics

    • Tricyclic antidepressants

    • Digoxin

  • Normal physiological variation in some individuals

  • Technical factors affecting ECG recording

Also known as: Blunted T wave, Flattened T wave, Low-amplitude T wave

Referencing diagnoses

Note: Lists existing diagnoses in Diagnotize only.