Management of the airway in the poor-risk patient.
D000758:Anesthesia; D006801:Humans; D007362:Intensive Care Units; D007440:Intubation; D007442:Intubation, Intratracheal; D011182:Postoperative Care; D011300:Preoperative Care; D012119:Respiration; D012140:Respiratory Tract Diseases / Q000628:therapy; D014140:Tracheotomy