title: Major airway obstruction relieved by helium/oxygen breathing.
mesh_terms: D000328:Adult; D000402:Airway Obstruction / Q000188:drug therapy* / Q000209:etiology; D002245:Carbon Dioxide / Q000097:blood; D003422:Critical Care; D006371:Helium / Q000627:therapeutic use*; D006801:Humans; D007362:Intensive Care Units; D008297:Male; D010100:Oxygen / Q000097:blood / Q000627:therapeutic use*; D012128:Respiratory Distress Syndrome / Q000150:complications
chemical_list: D002245:Carbon Dioxide; D006371:Helium; D010100:Oxygen