Cardiac dysfunction should be treated according to the cause, such as cardiac insufficiency and heart failure, can take diuretics, positive inotropic drugs, etc.; due to cardiac autonomic disorders, can take metoprolol and other drugs. 1. Cardiac insufficiency or heart failure: When there is cardiac insufficiency or heart failure, patients mainly manifest panic, palpitation, chest tightness and shortness of breath. It is recommended to take diuretics and positive inotropic drugs to slow down the development of cardiac insufficiency. 2. Cardiac autonomic dysfunction: Cardiac autonomic dysfunction is often accompanied by many other symptoms, such as arrhythmia, including tachycardia and premature beats, which is recommended to be treated with medications such as metoprolol. Anxiety may also occur, and may be treated with medications such as alprazolam or gagladin. All of the above medications carry risks, so please follow your doctor’s instructions and do not stop or change your medication regimen on your own. When a new function disorder occurs, you should go to the hospital in time, complete the examination to clarify the cause of the disease, and follow the doctor’s instructions for treatment.