title: Noninvasive aortic blood flow measurement using an intraesophageal probe.
abstract: The continuous measurement of cardiac output by the thermodilution technique is invasive, impractical and unpleasant for the patient. This paper describes the measurement of aortic blood flow with a specially designed intraesophageal echo Doppler probe. An A-scan unit allows the measurement of the diameter of the thoracic aorta and a continuous wave Doppler velocimeter is used for measurement of instantaneous blood flow velocity. In vitro experimental results as well as clinical studies are presented.
authors.forename: B
authors.initials: B
authors.lastname: Lavandier
authors.forename: D
authors.initials: D
authors.lastname: Cathignol
authors.forename: R
authors.initials: R
authors.lastname: Muchada
authors.forename: B B
authors.initials: BB
authors.lastname: Xuan
authors.forename: J
authors.initials: J
authors.lastname: Motin
mesh_terms: D001013:Aorta, Thoracic / Q000502:physiology*; D002302:Cardiac Output; D004452:Echocardiography / Q000295:instrumentation*; D004947:Esophagus; D006801:Humans; D008991:Monitoring, Physiologic / Q000295:instrumentation; D012039:Regional Blood Flow; D012212:Rheology