Longitudinal ultrasound scan showing reverberation

Longitudinal ultrasound scan clearly showing the needle and numerous echoes beneath, which is called reverberation.

Reproduced with permission from: Introductory Guide to Musculoskeletal Ultrasound for the Rheumatologist, Second Edition. ISBN 978-90-313-9206-3; Bohn Stafleu van Loghum, Houten 2012. Copyright © 2012.

Graphic 74259 Version 2.0