Signs and symptoms of a stroke may include an inability to move or feel on one side of the body, problems understanding or speaking, dizziness, or loss of vision to one side. One of the most frequent symptoms is contralateral paralysis, that means, if the right side of the brain is affected, the paralysis will affect the left side of the body and vice versa. ĭue to the arrangement of the existing nerve fibers and that usually this failure of blood supply is in a specific area of the brain, certain functions of the body contralateral to the injury (relating to or denoting the side of the body opposite to that on which the condition occurs) may be affected in one way or another. Both cause parts of the brain to stop functioning properly. There are two main types of stroke: ischemic, due to lack of blood flow, and hemorrhagic, due to bleeding.

High blood pressure, tobacco smoking, obesity, high blood cholesterol, diabetes mellitus, previous TIA, end-stage kidney disease, atrial fibrillation īased on symptoms with medical imaging typically used to rule out bleeding Ī stroke is a medical condition in which poor blood flow to the brain causes cell death. Ischemic (blockage) and hemorrhagic (bleeding) Inability to move or feel on one side of the body, problems understanding or speaking, dizziness, loss of vision to one side Changes on a CT may not be visible early on. Cerebrovascular accident (CVA), cerebrovascular insult (CVI), brain attackĬT scan of the brain showing a prior right-sided ischemic stroke from blockage of an artery.

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