Transient ischemic attack
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Transient ischaemic attack (TIA), in the newestmost recent definition, corresponds to a transient episode of neurological dysfunction caused by focal brain, spinal cord, or retinal ischaemia, without acute infarction.
Terminology
In the past TIA was arbitrarily distinguished from stroke by the duration of neurological symptoms inof less than 24 hours. It is well established nowadays that in most cases TIA'sTIAs symptoms resolve in less than one hour and,but occasionally, prolonged episodes may occur 1-2.
-<p><strong>Transient ischaemic attack (TIA)</strong>, in the newest definition, corresponds to a transient episode of neurological dysfunction caused by focal brain, spinal cord, or retinal ischaemia, without acute infarction.</p><h4>Terminology </h4><p>In the past TIA was arbitrarily distinguished from <a href="/articles/stroke">stroke</a> by the duration of neurological symptoms in less than 24 hours. It is well established nowadays that in most cases TIA's symptoms resolve in less than one hour and, occasionally, prolonged episodes may occur <sup>1-2</sup>. </p><p> </p><h4> </h4>- +<p><strong>Transient ischaemic attack (TIA)</strong>, in the most recent definition, corresponds to a transient episode of neurological dysfunction caused by focal brain, spinal cord, or retinal ischaemia, without acute infarction.</p><h4>Terminology </h4><p>In the past TIA was arbitrarily distinguished from <a href="/articles/stroke">stroke</a> by the duration of neurological symptoms of less than 24 hours. It is well established nowadays that in most TIAs symptoms resolve in less than one hour but occasionally prolonged episodes may occur <sup>1-2</sup>. </p><p> </p><h4> </h4>
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