[Feature] T wave [Description] The T wave represents the repolarization of the ventricles. It is generally upright in all leads except aVR and lead V1. [Duration] 160 ms [Pathology] 
Inverted T waves can be a sign of myocardial ischemia, LVH, high intracranial pressure, or metabolic abnormalities. Peaked T waves can be a sign of hyperkalemia or very early myocardial infarction.