I66.02

Clinical Causes: Atherosclerosis: buildup of fatty deposits within the artery walls. Embolism: blood clots or debris traveling from elsewhere blocking the artery. Vasculitis: inflammation of blood vessels that causes narrowing. Arterial dissection: tear in the artery wall leading to narrowing or blockage. Rare congenital abnormalities or arteries anomalies.

Key Symptoms: Sudden weakness or numbness on the right side of the body. Difficulty speaking or understanding speech. Sudden trouble seeing in one or both eyes. Loss of coordination or balance. Sudden severe headache. Dizziness or confusion. Trouble swallowing or facial drooping.

Diagnosis Path: Diagnosis typically involves a combination of neurological examinations and imaging studies. CT scans and MRI are essential in visualizing the brain and blood flow to identify blockages or narrowing in the left MCA. Angiography may be used for detailed vascular imaging, helping to pinpoint the exact location and severity of occlusion or stenosis. Additional tests, such as blood work, might be conducted to evaluate risk factors like clotting disorders or atherosclerosis.

Treatment Protocols: Treatment options focus on restoring blood flow, preventing further clot formation, and managing underlying risks. Common approaches include: - Thrombolytic therapy, such as tissue plasminogen activator (tPA), if administered promptly after symptom onset. - Endovascular procedures like thrombectomy to physically remove the clot. - Antiplatelet or anticoagulant medications to prevent new clots. - Surgical interventions in certain cases, such as carotid endarterectomy. - Management of risk factors including hypertension, diabetes, and high cholesterol. - Rehabilitation therapies to regain lost functions and improve quality of life. Prompt medical attention is crucial to optimize outcomes and reduce the risk of permanent neurological damage.