M66.849

Clinical Causes: Degenerative changes in tendons due to aging Chronic tendonitis or tendinopathy Repeated or sustained overuse of hand muscles Underlying systemic conditions such as rheumatoid arthritis Poor blood supply to the tendons Previous hand injuries that weaken tendon structure Certain medications that impair tissue repair, such as corticosteroids Genetic predisposition to weaker connective tissues

Key Symptoms: Sudden, sharp pain in the hand or fingers Feeling of a pop or snap at the time of rupture Swelling and tenderness around the affected area Inability to move or straighten the finger or thumb Weakness or loss of grip strength Visible deformity or misalignment of fingers Bruising or discoloration around the tendon area Difficulty performing fine motor tasks

Diagnosis Path: Diagnosis typically involves a thorough physical examination to assess hand and finger function. Healthcare providers may perform specific tests to evaluate the integrity of tendons. Imaging studies such as ultrasound or magnetic resonance imaging (MRI) are often utilized to confirm the rupture and identify the exact tendons involved, especially when the diagnosis is unclear or complex.

Treatment Protocols: Treatment options depend on the severity and location of the tendon rupture. Common approaches include: - **Conservative Management:** Rest, ice application, anti-inflammatory medications, and hand immobilization using splints or braces. Physical therapy may be recommended to regain strength and function. - **Surgical Intervention:** In cases of complete rupture or significant functional impairment, surgical repair of the tendon may be necessary. Surgery aims to reattach the torn tendon and restore hand function. Post-operative rehabilitation is crucial for optimal recovery. - **Rehabilitation:** Following either treatment method, physical therapy helps improve strength, flexibility, and range of motion. The duration and specifics of rehabilitation depend on the extent of the injury and the treatment performed.