I65.23

Clinical Causes: Atherosclerosis (buildup of fatty deposits within the artery walls) Chronic high blood pressure Smoking and tobacco use High cholesterol levels Diabetes mellitus Inflammatory diseases affecting blood vessels Previous arterial injury or trauma Genetic predispositions related to blood vessel health

Key Symptoms: Sudden weakness or numbness on one side of the body Difficulty speaking or understanding speech Sudden vision problems in one or both eyes Dizziness or loss of balance Sudden, severe headache Transient ischemic attacks (mini-strokes) Symptoms may be absent until significant blockage occurs

Diagnosis Path: Diagnosis typically involves a combination of clinical evaluation and imaging studies. Healthcare providers may recommend: - Carotid Duplex Ultrasound: A non-invasive test that uses sound waves to assess blood flow and detect narrowing or blockages. - Magnetic Resonance Angiography (MRA): An imaging technique that provides detailed pictures of blood vessels. - Computed Tomography Angiography (CTA): Utilizes CT imaging combined with contrast dye to visualize the arteries. - Digital Subtraction Angiography (DSA): An invasive procedure considered the gold standard for detailed vascular imaging. Evaluation of the severity and extent of the stenosis informs treatment planning and risk assessment.

Treatment Protocols: Management strategies focus on reducing symptoms and preventing stroke. These can include: - Lifestyle modifications such as smoking cessation, healthy diet, and regular exercise. - Medications like antiplatelet agents (e.g., aspirin), statins to lower cholesterol, and blood pressure control medications. - Surgical procedures including carotid endarterectomy, which involves removing plaque from the artery. - Endovascular therapies such as carotid artery stenting, where a small mesh coil or balloon is used to widen the artery. - Regular monitoring and follow-up imaging to assess disease progression. Patients are encouraged to work closely with healthcare providers to determine the most appropriate intervention based on individual risk factors and the severity of the condition.