S55.101

Clinical Causes: Trauma from a direct blow or impact to the forearm Penetrating injuries, such as cuts from sharp objects or gunshot wounds Fractures of the radius bone that may lacerate or strain the artery Accidental injuries during surgical procedures involving the forearm Sports injuries involving falls or collisions that impact the forearm

Key Symptoms: Pain, especially along the lateral side of the forearm Swelling and tenderness in the affected area Bruising or discoloration of the skin around the injury Weakness or numbness in the hand or fingers Possible identification of a pulsating mass or bleeding from the injury site Diminished blood flow may cause pallor or coldness in the fingers

Diagnosis Path: Diagnosis typically involves a physical examination to assess signs of bleeding, swelling, and pulse presence in the radial artery. Healthcare providers may perform specialized tests such as Doppler ultrasound to visualize blood flow and determine the extent of arterial damage. In some cases, angiography—an imaging test using contrast dye—may be used to provide detailed images of the blood vessels. These assessments help to confirm the injury and guide appropriate treatment planning.

Treatment Protocols: Treatment approaches depend on the severity of the injury. Common options include: - **Manual Compression:** Applying pressure to control bleeding in minor injuries. - **Wound Care:** Cleaning and properly dressing superficial cuts or abrasions. - **Surgical Repair:** In cases of torn or severed arteries, surgical intervention may be necessary to repair or bypass the damaged vessel. - **Vascular Procedures:** Techniques such as endovascular stenting or interventional radiology may be employed in specific situations. - **Monitoring and Follow-up:** Regular assessments to ensure proper blood flow and detect any complications, such as ischemia or infection. Prompt medical attention is essential to prevent potential complications like tissue damage or loss of function in the hand or fingers.