Stroke

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Brain	Brainstem function	Carotid stenosis, X-ray of the left artery	Carotid stenosis, X-ray of the right artery
Cerebellum - function	Circle of Willis	Endarterectomy	Left cerebral hemisphere - function
Plaque buildup in arteries	Right cerebral hemisphere - function	Stroke	Stroke - series

• Head CT or head MRI -- used to determine if the stroke was caused by bleeding (hemorrhage) or other lesions and to define the location and extent of the stroke.
• ECG (electrocardiogram) -- used to diagnose underlying heart disorders.
• Echocardiogram -- used if the cause may be an embolus (blood clot) from the heart.
• Carotid duplex (a type of ultrasound) -- used if the cause may be carotid artery stenosis (narrowing of the major blood vessels supplying blood to the brain).
• Heart monitor -- worn while in the hospital or as an outpatient to determine if a heart arrhythmia (like atrial fibrillation) may be responsible for your stroke.
• Cerebral (head) angiography -- may be done so that the doctor can identify the blood vessel responsible for the stroke. Mainly used if surgery is being considered.
• Blood work may be done to exclude immune conditions or abnormal clotting of the blood that can lead to clot formation.

Review Date: 03/15/2007
Reviewed By: Larry A. Weinrauch, MD, Assistant Professor of Medicine, Harvard Medical School, and Private practice specializing in Cardiovascular Disease, Watertown, MA. Review provided by VeriMed Healthcare Network.