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Carpal Tunnel Syndrome Case Study

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5. Phalen test and Tinel sign was negative.
The patient reported some numbness and tingling in her wrist and fingers, and also she had a carpal tunnel syndrome in the past. Therefore, to rule in/out, I tested with the Phalen and Tinel sign tests to evaluate her.

- Phalen test for Carpal Tunnel Syndrome: Extend the patient’s elbow and flex the wrist for 60 seconds. Result is positive if it repro¬duces paresthesia in the median nerve distribution (68% sensitivity, 73% specificity)(5).
- Tinel sign at the carpal tunnel (CTS): Tapping sharply over the flexor retinaculum and see the result. If it repro¬duces paresthesia in the median nerve distribution test is considered positive (50% sensitivity, 77% specificity)(5). These two tests were negative.

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