title: Pulsed Doppler studies in B-mode ultrasound scanning.
abstract: In B-mode ultrasound abdominal studies, vascular structures may be confused with other tissues. A pulsed Doppler unit was coupled to a B-mode scanner by attaching the Doppler transducer to the B-mode transducer. A standardization procedure was designed to assure that the ultrasound beams from the 2 transducers were properly aligned, and that the Doppler focusing was accurate. The Doppler signal may be obtained from any point in the B-mode image in order to differentiate vascular structure from other tissue types.
mesh_terms: D000005:Abdomen / Q000033:anatomy & histology; D004301:Doppler Effect; D006801:Humans; D014159:Transducers; D014465:Ultrasonics / Q000295:instrumentation; D014463:Ultrasonography