There are multiple causes of chest congestion, commonly caused by inadequate myocardial blood supply, poor pulmonary ventilation, mediastinal tumors, esophageal disorders, and other causes, but can also be seen in physiological conditions.
Since the chest is mainly the seat of the heart, lungs, and mediastinum, symptoms of chest tightness cannot exclude diseases of these organs, such as emphysema, asthma, pulmonary infarction, pneumothorax, congenital heart disease, coronary artery disease, mental failure, mediastinal tumor compressing the airway, esophagitis, and other diseases that require further detailed examination.