|Blood Supply to the Brain|
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- Build up of plaque in the blood vessels, called atherosclerosis
- Vasculitis—inflammation of the blood vessels
- Blindness in one eye, often described as a window shade dropping, and/or other visual problems
- Weakness, numbness, or tingling of the face, arm, leg, or one side of the body (usually affects one side of the body, but there are exceptions)
- Difficulty speaking or understanding words
- Lightheadedness, unsteadiness of gait, or falling
- Trouble with balance or coordination
- Loss of consciousness
- Sudden confusion or loss of memory
- Blood tests
- Electrocardiogram (EKG)—to measure your heart's electrical activity
- Doppler ultrasound —to assess blood flow in the arteries supplying the brain
- Echocardiogram —to look for blood clots and valve abnormalities within the heart
- CT scan of the head
- CT angiogram—to assess blood vessels in the brain and neck with contrast dye
- MRI of the head
- MR angiography—to assess blood vessels in the head using magnetic imaging
- Arteriogram—to locate and assess blockage or narrowing of blood vessels using contrast dye
- A carotid endarterectomy to remove the plaque deposits
- Other less invasive procedures, such as intra-arterial stenting to widen an artery
Treatment of Underlying Conditions
- Atrial fibrillation
- Severe anemia
- Exercise regularly, with your doctor's approval.
- Eat a healthy, balanced diet. It should be low in saturated fat and rich in whole grains, fruits, and vegetables .
- Maintain a healthy weight.
- If you smoke, find out ways you can successfully quit.
- Drink alcohol in moderation. Moderate alcohol intake is no more than two drinks per day for men and one drink per day for women.
- Control blood pressure, high cholesterol, and diabetes if you have these conditions.
American Heart Association http://www.heart.org
National Stroke Association http://www.stroke.org
Canadian Society for Vascular Surgery http://canadianvascular.ca
Heart and Stroke Foundation of Canada http://www.heartandstroke.ca
Amarenco P, Bogousslavsky J, Callahan A 3rd, et al. High-dose atorvastatin after stroke or transient ischemic attack. N Engl J Med. 2006;355(6):549-559.
FDA approves Pradaxa to prevent stroke in people with atrial fibrillation. US Food and Drug Administration website. Available at: http://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm230241.htm. Updated April 19, 2013. Accessed June 2, 2014.
Lutsep HL. MATCH results: Implications for the internist. Am J Med. 2006;119(6):526.
NINDS transient ischemic attack information page. National Institute of Neurological Disorders and Stroke website. Available at: http://www.ninds.nih.gov/disorders/tia/tia.htm. Updated April 28, 2014. Accessed June 2, 2014.
Risk factors for stroke or transient ischemic attack. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated June 2, 2014. Accessed June 2, 2014.
Transient ischemic attack (TIA). EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated May 27, 2014. Accessed June 2, 2014.
6/2/2014 DynaMed's Systematic Literature Surveillance http://www.ebscohost.com/dynamed: Myint PK, Cleark AB, Kwok CS, et al. Bone mineral density and incidence of stroke: European prospective investigation into cancer-norfolk population-based study, systemic review, and meta-analysis. Stroke. 2014;45(2):373-382.
6/2/2014 DynaMed's Systematic Literature Surveillance http://www.ebscohost.com/dynamed: Imfeld P, Bodmer M, Schuerch M, Jick SS, Meier CR. Risk of incident stroke in patients with Alzheimer disease or vascular dementia. Neurology. 2013;81(10):910-919.
8/11/2015 DynaMed's Systematic Literature Surveillance http://www.ebscohost.com/dynamed: Molnar MZ, Mucsi I, Novak M, et al. Association of incident obstructive sleep apnoea with outcomes in a large cohort of US veterans. Thorax. 2015 Jun 2 [Epub ahead of print].
- Reviewer: Rimas Lukas, MD
- Review Date: 06/2015 -
- Update Date: 08/11/2015 -