A 70-year-old man presented with dyspnea, sinus tachycardia, fever, and poor general status after repeated vomiting with no obvious cause. His oxygen saturation was 82%. Chest radiography showed ...

MEDIASTINAL emphysema, its precursors and its sequelae have been known to clinicians for well over a century. Laënnec, 1 in his treatise on diseases of the chest, published in 1819, gave an amazingly ...

Stage 4 emphysema is the most severe stage, in which a person’s symptoms may significantly affect their quality of life. Treatment may include medications, oxygen therapy, or surgery. Share on ...

Subcutaneous emphysema is the medical term for air becoming trapped in tissues beneath the skin. It is rare, but may occur as a result of trauma, injury, infection, or certain medical procedures.