🏥Learning English with medicine🏥 🧠
Today’s topic: CVA vs TIA
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A CVA (cerebrovascular accident) is a brain injury that happens when the blood supply to a part of the brain is interrupted. Without blood and oxygen, the brain tissue starts to die, and the functions controlled by the affected brain cells – such as speech, muscle movement and memory – become mildly to severely impaired. Most strokes are caused by a blood clot blocking an artery leading to the brain. This is called a ischemic stroke.
TIA (transient ischemic attack, also sometimes called a “mini-stroke”) begins just like an ischemic stroke; the difference is that in a TIA, the blockage is temporary and blood flow returns on its own. Since blood flow is interrupted only for a short time, the symptoms of a TIA don’t last long – usually less than hour.
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