Old myocardial infarction

Old myocardial infarction refers to acute myocardial infarction that occurred more than 8 weeks ago. At this time, the coronary artery status may have stabilized, the corresponding blood vessels may have become occluded, and there may even be a decline in cardiac function. Usually, there are no obvious clinical symptoms, but palpitations, chest tightness, and shortness of breath may occur after physical exertion. During an acute attack, symptoms such as chest tightness, chest pain, profuse sweating, and dyspnea may appear.