title: An esophageal Doppler probe for aortic flow velocity monitoring.
mesh_terms: D000328:Adult; D001013:Aorta, Thoracic; D001783:Blood Flow Velocity; D004947:Esophagus; D006801:Humans; D008991:Monitoring, Physiologic / Q000295:instrumentation*; D014159:Transducers; D014465:Ultrasonics / Q000295:instrumentation*; D014463:Ultrasonography