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12 Cards in this Set
- Front
- Back
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What is a stroke?
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Sudden onset of neurological deficit caused by alteration in blood flow to a portion of the brain
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What is a transient ischemic attack (TIA)?
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Stroke-like episode in which symptoms and neurological deficits resolve within 24 hours
-almost all resolve within 60 min |
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What are the two major stroke subtypes?
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-Hemorrhagic (15%): "burst" blood vessel or vascular structure with expanding blood in subarachnoid space or brain
-Ischemic (85%): "blocked" blood vessel leading to ischemic/dead brain) |
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What is a subarachnoid hemorrhage (SAH)?
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-Bleeding into the subarachnoid space
-Usually presents as sudden onset of severe headache sometimes with LOC -Focal deficit acutely only if bleeding extends into brain parenchyma |
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What is a intracerebral hematoma (ICH)?
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-Burst blood vessel in brain leads to expanding blood clot within the brain
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What is a ischemic- large vessel occlusive stroke?
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Results from blockage of a large cerebral vessel due to a pathologic process arising within that vessel, and the brain it supplies does
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What is an ischemic- small vessel occlusive stroke?
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Results from blockage of a small cerebral vessel due to a pathologic process arising within that vessel and the brain it supplies dies
-Example: lacunar infarction |
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What is an ischemic- embolic stroke?
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Results from blockage of a cerebral vessel by material that originated elsewhere, brain the vessel supplies dies
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What is the ACA syndrome?
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Affects leg more than arm
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What is the MCA syndrome?
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Affects face and arm more than leg
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What are the stroke risk factors?
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-Age, TIA, hypertension, cardiac disease (esp. atrial fibrillation), diabetes, previous storke, smoking, alcohol abuse (for hemorrhagic stroke), asymptomatic athersclerotic carotid artery stenosis, no physical activity
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What is the most effective treatment for stroke prevention?
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risk factor management
-few other specific treatments for stroke tx or prevention |
