The Pain Source

Transducer: SonoSite L25 (linear)

Structures visualized:

• Carpal bones and joints
• Extensor tendons of the thumb (looking for De Quervain’s tenosynovitis) — abductor pollicis longus, extensor pollicis brevis
• Extensor carpi ulnaris tendon
• Median nerve (can measure the cross-sectional area for evaluation of carpal tunnel syndrome)
• Radial artery
• Ulnar nerve

Related Content:

• Ultrasound – Carpal Tunnel Injection
• Tinel’s Sign at the Wrist
• Phalen’s Test
• Ultrasound – Supraclavicular Brachial Plexus Block
• Ultrasound – Subgluteal Sciatic Nerve Block