title: Cyanosis, polycythemia, and sudden death in a 42-year-old man.
mesh_terms: D000328:Adult; D001996:Bronchopneumonia / Q000175:diagnosis*; D006332:Cardiomegaly / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006333:Heart Failure / Q000175:diagnosis; D006801:Humans; D006976:Hypertension, Pulmonary / Q000175:diagnosis*; D008297:Male; D010845:Obesity Hypoventilation Syndrome / Q000175:diagnosis; D011030:Pneumothorax / Q000175:diagnosis*