G46.3

Clinical Causes: Blockage of blood vessels supplying the brain stem due to atherosclerosis Blood clots resulting from atrial fibrillation or heart disease Hemorrhage caused by ruptured blood vessels in the brain stem Vascular malformations or aneurysms Trauma or injury leading to disruption of blood flow Rarely, embolic events or systemic vasculitis

Key Symptoms: Sudden weakness or paralysis typically on one side of the body Loss or impairment of sensation, including facial numbness Double or blurred vision Difficulty swallowing or speaking Dizziness, vertigo, and loss of balance Facial droop or weakness Altered consciousness or coma in severe cases Hemispheric deficits depending on the specific syndrome

Diagnosis Path: Diagnosis involves a combination of neurological examination and imaging tests. Magnetic Resonance Imaging (MRI) is preferred for visualizing brain stem strokes, while CT scans can help rule out hemorrhage. Additional assessments may include Doppler ultrasound, echocardiography, and blood tests to identify underlying causes such as clotting disorders or cardiac issues. Precise identification of the affected syndrome is based on the clinical presentation and imaging findings.

Treatment Protocols: Management of brain stem stroke syndrome typically involves acute care to restore blood flow and prevent further damage. This may include thrombolytic therapy if appropriate, blood pressure control, and supportive measures. Long-term treatment focuses on rehabilitation therapies such as physiotherapy, occupational therapy, and speech therapy to improve motor skills, communication, and daily functioning. Addressing the underlying cause, such as managing risk factors like hypertension and atrial fibrillation, is also essential for preventing recurrence.