title: Pneumothorax, pneumomediastinum, and pneumopericardium following Valsalva's maneuver during marijuana smoking.
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D002189:Marijuana Abuse / Q000150:complications*; D008478:Mediastinal Emphysema / Q000209:etiology*; D011026:Pneumopericardium / Q000209:etiology*; D011030:Pneumothorax / Q000209:etiology*; D014636:Valsalva Maneuver