(1) Normal electrocardiogram pattern; (2) to (6): Sequential electrocardiographic changes after acute myocardial infarction. Initially, T wave becomes tall, peaked, and pointed (first few minutes) and there is ST segment elevation. T wave inversion occurs after a few hours and there is the development of an abnormal Q wave. After some duration, ST segment returns to normal and T wave becomes normal. Q wave changes, however, persist.

Role of Electrocardiogram (ECG) in Diagnosis, Prognosis and Monitoring of Myocardial Infarction

Electrocardiogram (ECG / EKG) test is important for the diagnosis of myocardial infarction. ECG reading is obtained rapidly from ECG machine. ECG scan is useful for diagnosis, prognosis, and monitoring of myocardial infarction.
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