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Rectus sheath ultrasound

Rectus sheath ultrasound
The first ultrasound image shows a needle with the needle-tip positioned below the rectus muscle. The second ultrasound image is one second later as LA is injected to lift the rectus muscle off the posterior rectus sheath.
R: rectus muscle; PRS: posterior rectus sheath (twin "tram"-lines); I: injectate (local anesthetic); LA: local anesthetic.
Reproduced with permission from: Webster K. Ultrasound Guided rectus sheath block – analgesia for abdominal surgery. Update in Anaesthesia 2010; 26:12. Copyright © 2010 Update in Anaesthesia. All rights reserved.
Graphic 105528 Version 3.0