S45.102

Clinical Causes: Trauma from a direct blow or blunt injury, such as during a fall or accident Penetrating wounds from knives, bullets, or other sharp objects Surgical complications or iatrogenic injuries during medical procedures Fractures of the upper arm (humerus) that cause associated arterial injuries Severe compression or crush injuries sustained in accidents Motor vehicle accidents leading to limb trauma

Key Symptoms: Pain in the upper arm or forearm, often sudden and intense Swelling or bruising around the injury site Weakness or numbness in the arm or hand Pale or cold skin distal to the injury due to compromised blood flow Loss of pulse in the affected limb when checked with a Doppler device or pulse exam Visible bleeding if the injury is open or penetrative Signs of limb ischemia, such as pallor, paresthesia, or loss of function

Diagnosis Path: Diagnosing an injury to the brachial artery involves a combination of clinical assessment and imaging studies. Medical professionals typically perform physical exams focused on vascular assessment, including checking pulses, assessing skin color, temperature, and capillary refill. Diagnostic tests may include: - Ultrasound Doppler studies to evaluate blood flow - Angiography, which involves injecting contrast dye and taking X-ray images of blood vessels - Magnetic Resonance Angiography (MRA) for detailed imaging Early diagnosis is essential to prevent complications such as severe blood loss, tissue death, or limb amputation.

Treatment Protocols: Treatment options depend on the severity and nature of the injury. Common approaches include: - **Controlled Bleeding:** Applying direct pressure to stop bleeding and stabilize the patient - **Surgical Repair:** Procedures such as arterial repair, grafting, or bypass surgery to restore blood flow - **Endovascular Interventions:** Minimally invasive procedures like stent placement in suitable cases - **Monitoring and Supportive Care:** Management of limb perfusion, pain control, and prevention of infection - **Rehabilitation:** Physical therapy to restore limb function and strength after surgical intervention Prompt medical attention and intervention are crucial to minimize long-term complications and preserve limb viability.