title: Mania leading to self-induced subcutaneous emphysema.
mesh_terms: D000328:Adult; D001714:Bipolar Disorder / Q000523:psychology*; D004646:Emphysema / Q000523:psychology*; D006801:Humans; D006985:Hyperventilation / Q000523:psychology; D008297:Male; D013352:Subcutaneous Emphysema / Q000523:psychology*