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Cerebral infarction, also known as an ischemic stroke, is the pathologic process that results in an area of necrotic tissue in the brain (cerebral infarct). [1] In mid to high income countries, a stroke is the main reason for disability among people and the 2nd cause of death. [ 2 ]
Other symptoms include difficulty speaking, slurred speech, and the loss of coordination. [8] The symptoms of brain ischemia range from mild to severe. Further, symptoms can last from a few seconds to a few minutes or extended periods of time. If the brain becomes damaged irreversibly and infarction occurs, the symptoms may be permanent. [9]
The neurologic signs and symptoms must last longer than 24 hours or the brain infarction is demonstrated, mainly by imaging techniques. [45] Transient ischemic attack (TIA) also called a mini-stroke. This is a condition in which the blood flow to a region of the brain is blocked, but blood flow is quickly restored and the brain tissue can fully ...
With the availability of treatments that can reduce stroke severity when given early, many now prefer alternative terminology, such as "brain attack" and "acute ischemic cerebrovascular syndrome" (modeled after heart attack and acute coronary syndrome, respectively), to reflect the urgency of stroke symptoms and the need to act swiftly. [22]
Embolic stroke of undetermined source (ESUS) is an embolic stroke, a type of ischemic stroke, with an unknown origin, [1] defined as a non-lacunar brain infarct without proximal arterial stenosis or cardioembolic sources. [2] As such, it forms a subset of cryptogenic stroke, which is part of the TOAST-classification. [3]
FAST is less reliable in the recognition of posterior circulation stroke. [21] Other symptoms include those that indicate a rise in intracranial pressure caused by a large mass (due to hematoma expansion) putting pressure on the brain. [15] These symptoms include headaches, nausea, vomiting, a depressed level of consciousness, stupor and death. [7]
“Stroke remains a leading cause of disability and death globally, with many cases linked to modifiable risk factors. Current risk prediction models rely heavily on invasive tests like blood ...
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.
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