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A silent stroke (or asymptomatic cerebral infarction) is a stroke that does not have any outward symptoms associated with stroke, and the patient is typically unaware they have suffered a stroke. Despite not causing identifiable symptoms, a silent stroke still causes damage to the brain and places the patient at increased risk for both ...
Silent stroke is a stroke which does not have any outward symptoms, and the patient is typically unaware they have had a stroke. Despite its lack of identifiable symptoms, a silent stroke still causes brain damage and places the patient at increased risk for a major stroke in the future.
A silent lacunar infarction (SLI) is one type of silent stroke which usually shows no identifiable outward symptoms, and is thus termed "silent". Because stroke is a clinical diagnosis (that is, it is defined by clinical symptoms), there is debate about whether SLI are considered to be strokes, even though the pathophysiology is presumably the ...
Dr David Hargroves, NHS national clinical director for stroke and a consultant stroke physician, said: “When someone has a stroke, it’s estimated they may lose around two million brain cells a ...
Strokes and mini-strokes are caused by a blood clot or bleed on the brain which cuts off the blood supply, killing brain cells.
Silent stroke typically causes lesions which are detected via the use of neuroimaging such as MRI. Silent stroke is estimated to occur at five times the rate of symptomatic stroke. [63] [64] The risk of silent stroke increases with age, but they may also affect younger adults and children, especially those with acute anemia. [63] [65]
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A transient ischemic attack (TIA), commonly known as a mini-stroke, is a temporary (transient) stroke with noticeable symptoms that end within 24 hours. A TIA causes the same symptoms associated with a stroke, such as weakness or numbness on one side of the body, sudden dimming or loss of vision, difficulty speaking or understanding language or slurred speech.