A transient ischemic attack (TIA), sometimes called a mini-stroke, is an episode of stroke-like symptoms that usually last less than one hour. During a TIA, circulation to a part of the brain is interrupted briefly, then restored. This interruption can be caused by a narrowing of a brain artery because of atherosclerosis or a small floating blood clot that entered the bloodstream from somewhere else in the body, often the heart, and temporarily blocked a brain artery.
Sympto...
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Source: HealthCentral Encyclopedia
Article updated and reviewed by Associate Professor of Medicine / Neurology, Cooper University Hospital & Robert Wood Johnson Medical School.... Read more »
Source: ADAM Encyclopedia
A transient ischemic attack (TIA) is when a person has stroke-like symptoms for up to 1 - 2 hours. A TIA is often considered a warning sign that a... Read more »
Source: HealthCentral Encyclopedia
Apnea is defined as a cessation of oronasal airflow of at least 10 seconds in duration. When it occurs 30 or more times during a 7-hour period of... Read more »
Source: ADAM Encyclopedia
Sleep apnea can lead to a number of complications, ranging from daytime sleepiness to possible increased risk of death. Sleep apnea has a strong... Read more »