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Orthopaedic

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Nerve Injuries

Question
38 out of 51
 

The most common physical findings in a patient with median nerve compression at the wrist (carpal tunnel syndrome) are: (AIPG 2012)



A Diminished two-point discrimination and dryness of the index and long fingers.

B Atrophy of the abductor pollicis brevis and opponens pollicis.

C A positive percussion test at the wrist and a positive wrist flexion test producing paresthesias at the thumb, index, and long fingers.

D A weak grip in addition to hand cramping and difficulty writing.

Ans. C

A positive percussion test at the wrist and a positive wrist flexion test producing paresthesias at the thumb, index, and long fingers.

Percussion over the median nerve at the wrist producing paresthesias distally in the distribution of the median nerve and paresthesias caused by wrist flexion are two of the most common signs of median nerve compression at the wrist.

Nerve Injuries Flashcard List

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