S66.323

Clinical Causes: Sharp objects such as knives, broken glass, or metal fragments coming into contact with the hand. Accidental cuts during use of tools or machinery, especially in work environments involving woodworking, metalworking, or construction. Falls onto sharp or pointed objects that may cause a laceration at the wrist or hand level. Bites or puncture wounds that result in tearing of the skin and underlying structures.

Key Symptoms: Visible cut or open wound on the back of the middle finger near the wrist or hand. Swelling and bruising around the injury site. Pain and tenderness in the region of the injury, especially during movement. Difficulty or inability to fully extend the middle finger. Decreased strength or function of the affected finger. Possible bleeding from the wound that may be profuse if larger blood vessels are involved. Numbness or tingling if nerves are affected. Signs of infection such as increased redness, warmth, pus, or fever in severe cases.

Diagnosis Path: Diagnosis is typically made through a physical examination by a healthcare professional, who assesses the extent of the injury and checks for impaired movement or nerve function. Imaging studies like X-rays may be ordered if there is suspicion of fracture or foreign objects. The physician will examine the wound for depth, involvement of tendons, nerves, and blood vessels, and evaluate the need for surgical intervention.

Treatment Protocols: Treatment approaches focus on cleaning and closing the wound to prevent infection and restore function. These may include: - **Wound Cleaning:** Thorough irrigation to remove debris and bacteria. - **Suturing:** Closing the skin and underlying structures if necessary. - **Tendon Repair:** Surgical repair of torn tendons to restore finger extension. - **Antibiotics:** Prescribed to prevent or treat infection. - **Tetanus Shot:** Administered if vaccination status is not up-to-date. - **Immobilization:** Use of splints or dressings to protect the repair and allow healing. - **Physical Therapy:** Post-healing therapy to regain movement and strength. In some cases, additional procedures or interventions may be required if nerve damage or vascular injury is detected.