What's wrong with chest tightness and shortness of breath recently?

Infected chest tightness and shortness of breath may be caused by frequent staying up late, lack of rest, emotional tension, depression, excessive stress, etc. There may also be anemia. Secondly, when suffering from hypertension, hypotension, hyperglycemia, hypoglycemia and other diseases, it will also be accompanied by chest tightness and shortness of breath. In addition, chest tightness and shortness of breath can also be seen in cardiopulmonary diseases, and an electrocardiogram can be done to rule out the possibility of organic lung diseases.