Chest tightness and shortness of breath are common symptoms in life. If the patient has chest tightness and shortness of breath with no obvious inducement, it is suggested to see a doctor in respiratory medicine and cardiology department in time, and improve chest CT, electrocardiogram and color Doppler echocardiography in combination with whether the patient has symptoms such as fever, cough, expectoration, chest pain and palpitation to determine whether the following diseases are complicated:

1. Respiratory diseases, including tracheobronchial inflammation, edema, tumor or bronchial asthma, chronic bronchitis, emphysema, pulmonary embolism, tuberculosis, interstitial pneumonia, lung cancer, pulmonary fibrosis, etc.

Cardiovascular diseases, including coronary heart disease, heart failure, angina pectoris, pulmonary hypertension, etc.