title: Electrocardiographic inscription of diaphragmatic contractions during anaesthesia.
abstract: An electrocardiographic artifact was noted on a child under general anaesthesia. The artifact was caused by rhythmic diaphragmatic contractions. A systematic approach to distinguish an artifact from a cardiac electrophysiological event is presented.
authors: Department of Anesthesia, Children's Hospital, Boston, MA 02115, USA.
authors: A
authors: A
authors: Casta
authors: M E
authors: ME
authors: McCann
mesh_terms: D000768:Anesthesia, General; D016477:Artifacts; D002648:Child; D003113:Colonoscopy; D003964:Diaphragm / Q000502:physiology*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008991:Monitoring, Physiologic; D009119:Muscle Contraction