S63.650

Clinical Causes: Direct blow or trauma to the finger, such as hitting the finger with an object Sudden twisting or hyperextension of the finger during sports or accidents Falls or falls onto an outstretched hand that impacts the finger Overextension during activities requiring forceful finger movements Repetitive strain leading to ligament overstress

Key Symptoms: Pain at the base of the finger, especially when moving or putting pressure on it Swelling around the joint Bruising or discoloration near the joint Limited range of motion in the finger Tenderness to touch over the affected area Feeling of instability or looseness in the finger joint

Diagnosis Path: Diagnosis typically involves a medical history review and physical examination. A healthcare provider will assess for swelling, tenderness, and stability of the joint. Imaging tests like X-rays may be ordered to rule out fractures or dislocations and to evaluate the extent of ligament damage. In some cases, MRI scans can provide detailed images of soft tissue injuries such as ligament tears.

Treatment Protocols: Management of a sprain in the MCP joint focuses on alleviating pain, reducing swelling, and restoring function. Common approaches include: - Resting the finger and avoiding activities that exacerbate discomfort - Ice application to the affected area in the initial 48 hours to control swelling - Compression with an elastic bandage to support the joint - Elevating the hand to decrease swelling - Use of over-the-counter pain relievers, such as acetaminophen or NSAIDs - Immobilization with a splint or buddy taping to restrict movement during healing - Physical therapy exercises, once pain subsides, to restore strength and flexibility Severe cases with significant ligament tears or joint instability may require surgical intervention to repair or reconstruct damaged ligaments. Follow-up care and gradual return to activities are important to prevent re-injury.