Intro to Sonography Ch. 1 | Questions and Answers with complete solution

Ultrasound - sound frequencies above limits of human hearing > 20 kHz -Used in Diagnostic and therapeutic applications - Can be medical/nonmedical - used in sonar (see ships from a distance w/ ultrasound) Diagnostic - Diagnosis (what a person has/a finding) Do a ultrasound & find a mass on their liver Therapeutic - Treatment Ultrasound at PT decrease swelling increase blood flow Ultrasound cont... - Used in OT and PT to increase blood flow to speed up healing process warming in the tissues Lithotripsy - high level intensity ultrasound to break up - kidney stones - gallstones - heel spurs High energy waves can remove unwanted tissueMost common use of Ultrasound - Diagnostic -> low intensity waves to visualize interior of body