Transient ischemic attack TIA is a medical condition of sickle cell disease patients that is characterized by a warning sign of a stroke occurrence possibility.
A transient ischemic attack is a brief episode during which parts of the brain do not receive sufficient blood. And in quick restoration of blood supply, the brain tissue does not die as in the case of a stroke. It is can also be referred to as a mini-stroke, or a brief stroke attack.
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It is a transient episode of neurologic dysfunction caused by focal brain, spinal cord, or retinal ischemia without acute infarction. The transient ischemic attack has its symptoms last up to or less than twenty hours, with typical or common episodes lasting less than an hour.
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The signs of transient ischemic attack include; sudden numbness or weakness of the face, arm, or leg, especially on one side of the body, sudden trouble seeing in one eye, or both eyes, sudden confusion, sudden dizziness, loss of balance, or coordination, severe headache that is sudden with no known cause, difficulty walking, and difficulty speaking. Stroke is the fifth on the leading list of death especially in the United States of sickle cell disease patients and adult disability.
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The transient ischemic attack is caused by several and variety of factors that include; narrowing of the arteries this is majorly caused by atherosclerosis; described by the buildup of fatty materials and its hardening on the walls of arteries, this material all clogged up can break off and cause lodging in smaller blood vessels found in the brain.
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Another cause of the transient ischemic attack is cerebral artery stenosis, spam in the walls of arteries, high blood pressure, a lack of oxygen in the blood flowing to the brain, which can occur when the patient with sickle cell disease has become severely anemic, or has carbon monoxide poisoning, or has leukemia or polycythemia; a condition that produces abnormal blood cells and clotting.
Content created and supplied by: Dr-Kikiope (via Opera News )
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