Spontaneous<unk>  may be caused without any underlying pathology. Secondary<unk>  may be caused by blunt or penetrating trauma to the neck, chest or abdomen. Iatrogenic causes include disruption of the airways or GI tract during endoscopic procedures, intubation/extubation, central vascular access procedure, pleural cavity instrumentation, chest or abdominal surgery.<unk>  has also been associated with: Mycoplasma pneumonia, anorexia, obesity and pulmonary barotrauma in scuba diver or an airplane passenger during rapid ascends or descends.
Pneumomediastinum causes
Hemothorax causes
Air embolism causes
Pneumothorax causes
Subcutaneous emphysema causes
Diaphragmatic paralysis causes
Pleurisy causes
Tracheitis causes