S25.102

Clinical Causes: Trauma from car accidents, falls, or blows to the chest/shoulder area Penetrating injuries such as stab or gunshot wounds Surgical accidents or invasive procedures in the neck or upper chest Certain medical conditions that weaken blood vessel walls, leading to injury Sports injuries involving high impact or trauma

Key Symptoms: Sudden throbbing or intense pain in the chest, shoulder, or upper limb Swelling or a visible lump near the injury site Signs of bleeding such as bruising or blood in the tissue Weakness or numbness in the arm or hand Dizziness or fainting if blood flow to the brain is compromised Decreased pulse in the affected arm Possible pale or cold skin on the affected limb

Diagnosis Path: Diagnosing an injury to the innominate or subclavian artery involves several steps, including: - Medical history and physical examination to assess injury severity and blood flow - Imaging studies such as ultrasound, CT angiography, or magnetic resonance angiography (MRA) to visualize blood vessels - Look for signs of bleeding, vascular compromise, or structural damage - In some cases, catheter-based angiography may be performed for detailed vessel assessment Accurate diagnosis is essential for guiding appropriate treatment, minimizing risks, and preventing complications.

Treatment Protocols: Managing an injury to the left innominate or subclavian artery depends on the injury's severity and nature: - Immediate intervention to control bleeding, which may involve pressure application, packing, or surgical repair - Surgical procedures such as vascular repair, grafting, or bypass to restore blood flow - Endovascular techniques like stent placement or embolization in suitable cases - Supportive care including blood transfusions if significant blood loss has occurred - Post-treatment monitoring for signs of rebleeding, infection, or complications Recovery and further management often involve multidisciplinary care, including vascular specialists, trauma surgeons, and rehabilitation services.