Hello, your situation is serious. It might be coronary heart disease, which is related to fatigue, arteriosclerosis, irregular eating habits and living habits. Also, hypertension, hyperlipidemia and smoking are risk factors of coronary heart disease. It is recommended to do ECG, UCG, myocardial enzymes, and troponin to confirm the condition. Recently, you need to take a good rest, eat a light diet, quit smoking and drinking, and see your doctor regularly.