I66.11

Clinical Causes: Atherosclerosis (build-up of fatty deposits in the artery walls) Blood clots traveling to the brain (embolism) Vasculitis (inflammation of the blood vessels) Arterial dissection (tear in the arterial wall) Post-surgical or traumatic injury to blood vessels Certain genetic conditions affecting blood vessels

Key Symptoms: Weakness or paralysis on one side of the body, particularly the leg or foot Sensory deficits such as numbness or tingling in the affected leg Problems with coordination or walking Altered mental state or confusion Seizures Alterations in speech or language comprehension Sudden or gradual loss of vision in one eye

Diagnosis Path: Diagnosis involves a combination of clinical evaluation and imaging studies. Healthcare providers typically utilize the following tools: - Magnetic Resonance Imaging (MRI) to visualize brain tissue and detect areas of damage - Magnetic Resonance Angiography (MRA) or Computed Tomography Angiography (CTA) to assess blood vessels and identify occlusions or narrowing - Carotid ultrasound to evaluate blood flow in the neck arteries - Physical neurological examination to assess motor, sensory, and cognitive functions

Treatment Protocols: Treatment strategies focus on restoring and maintaining adequate blood flow to prevent further brain injury. Common approaches include: - Thrombolytic therapy (clot-busting medications) if diagnosed promptly - Antiplatelet agents or anticoagulants to prevent clot formation - Surgical or endovascular procedures to remove or bypass the blockage - Control of underlying conditions such as hypertension, diabetes, or hyperlipidemia - Physical, occupational, or speech therapy to aid recovery of neurological functions - Lifestyle modifications, including diet, exercise, and smoking cessation, to reduce future risk