Generally, if pathological Q waves appear on the ECG, they are seen in two conditions: the first, coronary atherosclerotic heart disease, which has the most serious complication of myocardial infarction, and generally after myocardial infarction, the heart is in the recovery phase, which is manifested on the ECG as having pathological Q waves. The other kind can be seen in myocarditis, which generally has a legacy of pathological Q waves on the ECG. If the diagnosis of coronary artery disease is confirmed, medication or stenting or even bypass treatment is required. If it is a case of myocarditis, you need to nourish the heart muscle, anti-inflammatory treatment, in addition to pay attention to rest and avoid sports.