As a medical professional with expertise in cardiology, I can provide insight into the causes of abnormal T waves on an electrocardiogram (ECG). T waves are a part of the ECG that represent the repolarization phase of the ventricular muscle cells. When they appear abnormal or inverted, it can be indicative of various cardiac conditions. **read more >>

Myocardial ischemia is a common cause of inverted T waves. ... Ischemia can be due to an acute coronary syndrome caused by rupture of an atherosclerotic plaque or due to factors increasing oxygen demand or decreasing oxygen supply such as severe anemia or sepsis.read more >>