title: Basic physics of ultrasound imaging.
abstract: The appearance of ultrasound images depends critically on the physical interactions of sound with the tissues in the body. The basic principles of ultrasound imaging and the physical reasons for many common artifacts are described.
authors: Department of Radiology, Vancouver Hospital and the University of British Columbia, Vancouver, British Columbia, Canada. John.aldrich@vch.ca
authors: John E
authors: JE
authors: Aldrich
mesh_terms: D016477:Artifacts; D006801:Humans; D014159:Transducers; D014465:Ultrasonics; D014463:Ultrasonography / Q000295:instrumentation* / Q000379:methods; D018617:Ultrasonography, Doppler, Pulsed / Q000295:instrumentation / Q000379:methods