Chest tightness, shortness of breath, no breathing. What's going on?

Chest tightness, shortness of breath and lack of breath may be related to emphysema, bronchitis, asthma, tracheal stenosis and other respiratory diseases, and may also be related to cardiovascular diseases such as coronary heart disease, myocardial insufficiency, rheumatic heart valve disease, and pulmonary heart disease. Shortness of breath may also be related to kidney-yang deficiency.