There are several life-threatening causes of<unk> <unk>  which need to be evaluated for first, which include; myocardial infarction, aortic dissection, esophageal rupture, pulmonary embolism, and tension pneumothorax. The other possible causes of<unk> <unk>  can be determined by carefully assessing the nature of the<unk> , and obtaining a thorough patient history.
Chest pain differential diagnosis
Pneumomediastinum differential diagnosis
Bronchitis differential diagnosis
Farmer's lung differential diagnosis
Mediastinal mass differential diagnosis
Emphysema differential diagnosis
Lung abscess differential diagnosis
Pulmonary edema differential diagnosis