Heart attack is the leading cause of death in the world today. The diagnosis of myocardial infarction plays an important role in guiding treatment and reducing mortality from the disease. In particular, the diagnosis based on the electrocardiographic changes in the electrocardiogram is one of the main criteria in determining myocardial infarction.

Myocardial infarction is an emergency condition, the patient can die very quickly if not treated promptly. Up to 10% of heart attacks result in sudden death. This article will clarify the dangerous complications of a heart attack that we need to be very vigilant about.