Hello, according to the information you provided, the symptoms of chest tightness are related to digestive system diseases, but be alert to heart disease (coronary heart disease). The analysis is as follows: 1 If you are a male, do you have any risk factors for heart disease, such as smoking, hypertension, hyperlipidemia, diabetes, family history of coronary heart disease, etc. If so, it is suggested to closely observe the ECG changes (chest tightness compared with ECG after remission) to see if there is myocardial ischemia. The conclusion of echocardiography has little clinical significance. It can be understood that the doors and windows at home are not closed tightly, and there are some small air leaks, which do not require any maintenance and there is no medicine to maintain. Just keep exercising and have a regular physical examination. 2. If you are a woman, heart disease is basically not considered, there is no big problem, or exercise, regular physical examination. I hope I can help you.