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Definition
By Mayo Clinic staffA transient ischemic attack (TIA) is like a stroke, producing similar symptoms, but usually lasting only a few minutes and causing no permanent damage. Often called a ministroke, a transient ischemic attack may be a warning. About one in three people who have a transient ischemic attack eventually has a stroke, with about half occurring within a year after the transient ischemic attack.
A transient ischemic attack can serve as both a warning and an opportunity — a warning of an impending stroke and an opportunity to take steps to prevent it.
Symptoms
References
- Transient ischemic attack. American Heart Association. http://www.americanheart.org/presenter.jhtml?identifier=4781. Accessed Dec. 30, 2008.
- Wu CM, et al. Early risk of stroke after transient ischemic attack: A systematic review and meta-analysis. Archives of Internal Medicine. 2007;167:2417.
- Stroke risk factors. American Heart Association. http://www.americanheart.org/presenter.jhtml?identifier=4716. Accessed Dec. 30, 2008.
- Sacco RL, et al. Guidelines for prevention of stroke in patients with ischemic stroke or transient ischemic attack. Stroke. 2006;37:577.
- NINDS transient ischemic attack information page. National Institute of Neurological Disorders and Stroke. http://www.ninds.nih.gov/disorders/tia/tia.htm. Accessed Dec. 31, 2008.
- Lewandowski CA, et al. Transient ischemic attack: Definitions and clinical presentations. Annals of Emergency Medicine. 2008;52:S7.
- Ischemic stroke. http://www.merck.com/mmpe/sec16/ch211/ch211b.html?qt=transient%20ischemic%20attack&alt=sh#sec16-ch211-ch211b-446. Accessed Dec. 31, 2008.
- Sudlow C. Dipyridamole with aspirin is better than aspirin alone in preventing vascular events after ischaemic stroke or TIA. British Medical Journal. 2007;334:901.
