706afa36_kipedia__the_free_encyclopedia__Description
[Feature] T wave [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. [Duration] 160 ms [Description] 
The T wave represents the repolarization of the ventricles. It is generally upright in all leads except aVR and lead V1.
Electrocardiography - Wikipedia, the free encyclopedia