title: Ball valve effect precipitating an anesthesia circuit obstruction by an intravenous set cap within the elbow connector.
authors.forename: Zyad J
authors.initials: ZJ
authors.lastname: Carr
authors.forename: Edward R
authors.initials: ER
authors.lastname: Deal
authors.forename: Michael E
authors.initials: ME
authors.lastname: Goldberg
mesh_terms: D000402:Airway Obstruction / Q000209:etiology*; D000768:Anesthesia, General / Q000379:methods*; D001706:Biopsy; D004868:Equipment Failure; D006801:Humans; D007442:Intubation, Intratracheal; D017214:Laryngeal Masks; D008297:Male; D008875:Middle Aged; D011467:Prostate / Q000473:pathology; D018084:Ultrasonography, Interventional