Ultrasound


 * Reference for term: Musculoskeletal ultrasound: Musculoskeletal ultrasound - Holsbeeck Van, M. et al.
 * Technical definition: Sound having a frequency greater than that which is audible by humans, i.e. greater than 20 Kilohertz (kHz).
 * Reference for definition: Musculoskeletal ultrasound: Musculoskeletal ultrasound - Holsbeeck Van, M. et al.
 * Comment: Medical imaging today most commonly uses frequencies from 2 to 12 megahertz (mHz).