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CarpalTunnel
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> compression of median nerve in carpal tunnel History pain / pins / needles in thumb, index and middle finger may unusally ascend proximally pt shakes hand to obtain relief esp at night Exam weak thumb abduction (abductor pollicis brevis) wasting of thenar eminance (NOT hypothenar) Tinel's sign - tapping causes paraesthesia Phalen's sign - flexion of wrist causes Sx Causes Idiopathic Pregnancy Oedema (eg heart failure) Lunate fracture RA Ix Electrophysiology - motor and sensory prolongation of action potential Rx Corticosteroid injection wrist splints at night surgical decompression (flexor retinaculum division)
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slimindex, Wrist/Hand, index