title: Electrocardiogram trace paradoxically filtered by activation of an electrosurgical unit.
abstract: Interference in the electrocardiogram (ECG) signal in an operating room environment is common. Interference from a variety of sources, including electrosurgical units and blood warmers, have been reported. We report the occurrence of an ECG signal that was cleared of interference whenever the electrosurgical unit (ESU) was activated.
authors.affiliation: Harvard Medical School, Brigham and Women's Hospital, and Children's Hospital, Boston, MA 02115, USA.
authors.forename: S B
authors.initials: SB
authors.lastname: Corn
authors.forename: C
authors.initials: C
authors.lastname: De Mur
authors.forename: J L
authors.initials: JL
authors.lastname: Lehr
mesh_terms: D000328:Adult; D002585:Cesarean Section; D004560:Electricity; D004562:Electrocardiography; D004598:Electrosurgery; D005260:Female; D006801:Humans; D016343:Monitoring, Intraoperative; D011247:Pregnancy