S64.12

Clinical Causes: Trauma from cuts or lacerations to the wrist or hand Fractures or dislocations involving the wrist bones Repeated compression or entrapment, such as in carpal tunnel syndrome Surgical injuries during procedures involving the wrist or hand Prolonged pressure on the median nerve due to casts, splints, or other devices Penetrating injuries from sharp objects Injuries resulting from falls or accidents impacting the wrist and hand

Key Symptoms: Numbness or tingling sensation in the thumb, index finger, middle finger, and part of the ring finger Weakness in the thumb muscles, making it difficult to grip or pinch objects Loss of fine motor skills or dexterity in the fingers Pain or discomfort at the wrist or palm area Muscle atrophy in the thenar eminence (the fleshy mound at the base of the thumb) Difficulty performing tasks that require hand strength or coordination Sensory deficits or decreased sensation in the affected areas

Diagnosis Path: Physical tests to assess nerve function and muscle strength Tinel’s sign, which involves tapping over the nerve to elicit tingling Phalen’s test to reproduce symptoms via wrist flexion Electromyography (EMG) and nerve conduction studies to evaluate nerve injury and function Imaging studies like X-rays or MRI to identify fractures, dislocations, or soft tissue damage

Treatment Protocols: Rest and immobilization of the wrist using splints or casts to prevent further injury Pain management using medications such as NSAIDs or other prescribed drugs Physical therapy exercises to regain strength and improve flexibility Occupational therapy to adapt daily activities and improve hand function Surgical interventions may be necessary for severe injuries, involving nerve repair or decompression Monitoring and management of complications to promote optimal recovery