Afternoon, night is always chest tightness shortness of breath is what causes

Chest tightness and shortness of breath in the afternoon and evening may be caused by cor pulmonale, obstructive emphysema, chronic bronchitis, coronary heart disease, chronic heart failure, myocarditis, cardiomyopathy, etc. You need to go to the hospital for lung X-ray examination and cardiac ultrasound examination, and take treatment according to the cause.