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Ultrasound Consult carpal tunnel Ultrasound
Ultrasound Consult carpal tunnel Ultrasound
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Video Transcription
Video Summary
Britt Moore discusses using ultrasound to diagnose carpal tunnel syndrome, a common nerve entrapment typically identified by electrodiagnostic tests. Ultrasound is becoming popular due to its reliability. Key indicators include a swollen median nerve, loss of fascicular structure, and increased cross-sectional area at the carpal tunnel inlet. Moore suggests comparing nerve size between the carpal tunnel inlet and the pronator quadratus level. A cutoff of 10-12 mm² or a difference of ≥2 mm² indicates carpal tunnel syndrome. Including assessments of thenar muscle atrophy helps determine the severity. Ultrasound-guided steroid injections can confirm diagnoses when other tests are inconclusive.
Meta Tag
Edition
3rd Edition
Related Case
3rd Edition, CASE 58
Topic
Wrist
Keywords
3rd Edition, CASE 58
3rd Edition
Wrist
ultrasound
carpal tunnel syndrome
median nerve
diagnosis
steroid injections
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