S64.22

Clinical Causes: Trauma or direct injury to the wrist or hand area, such as cuts, lacerations, or puncture wounds. Fractures of the radius bone near the wrist, which may impinge or damage the nerve. Repeated pressure or compression of the radial nerve due to prolonged positioning or use of crutches. Surgical procedures near the radial nerve that might inadvertently cause nerve damage. Swelling, hematoma, or infections that lead to nerve compression.

Key Symptoms: Weakness in the wrist and hand, particularly difficulty extending the wrist and fingers. Numbness or tingling sensation along the back of the hand and forearm. Loss of the ability to perform wrist extension or weakened grip strength. Decreased sensation or altered feeling in the skin over the back of the hand and thumb side of the back of the forearm. In some cases, muscle wasting if the nerve injury is severe or prolonged.

Diagnosis Path: Diagnosis typically involves a physical examination to assess muscle strength, reflexes, and sensory function. Doctors may perform nerve conduction studies and electromyography (EMG) to evaluate nerve function and identify the location and extent of nerve damage. Imaging tests such as X-rays or MRI scans may be used to detect fractures, swelling, or other structural injuries near the nerve.

Treatment Protocols: Treatment options focus on promoting nerve healing and restoring function. They may include: - Rest and immobilization of the wrist and hand to prevent further injury. - Physical therapy aimed at strengthening muscles and maintaining joint flexibility. - Pain management through medications such as NSAIDs or other prescribed drugs. - Surgical intervention, if necessary, to repair nerve damage or relieve compression, especially in severe cases. - Use of assistive devices, such as splints or braces, to support wrist and hand movement during recovery. - Regular monitoring and follow-up to assess recovery progress and modify treatment plans as needed.