Physical Therapy Evaluation Tool (PEAT) 2 Practice Exam

Which of the following is a commonly observed sign in Complex Regional Pain Syndrome affecting the hand and wrist?

Edema Hyperhidrosis Color changes Pain

Correct Answer:

Hyperhidrosis

Explanation:

Autonomic dysfunction in CRPS drives sudomotor changes in the affected hand and wrist. Hyperhidrosis, or excessive sweating, arises when the sympathetic nervous system that controls sweat glands becomes dysregulated. This autonomic sign is commonly observed in CRPS affecting the hand and wrist, reflecting the ongoing sympathetic involvement in the condition. Other signs like edema, color changes, and pain can also appear, but the presence of increased sweating specifically highlights the altered sudomotor function characteristic of the syndrome.

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