Stroke
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| stroke | A stroke (apoplexy) is the sudden onset of weakness, numbness, paralysis,
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| modifiable risk factors | Hypertension is the primary risk factor
Cardiovascular disease
Elevated cholesterol or elevated hematocrit
Obesity
Diabetes
Oral contraceptive use
Smoking and drug and alcohol abuse
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| non-modifiable risk factors | Age (older than 55 years), male gender, African Americans
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| types of stroke | Ischemic (80%–85%)
Hemorrhagic (15%–20%)
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| stroke | Sudden loss of function resulting from a disruption of the blood supply to a part of the brain
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| clinical manifestations | Change in MS
Slurred speech, aphasia, and dysphagia
Numbness or weakness of the face or extremities, especially on one side of the body
Visual disturbance
Cranial nerve disturbance
Loss of balance or coordination
Sudden severe headache
Dizziness
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| TIA | Causes: atherosclerosis
Symptoms: Sudden change in visual function, sudden loss of sensory or motor functions
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| Hemorrhagic | Causes: hemorrhage, cerebral aneurysm, arteriovenous malformation
Symptoms: “exploding headache”, decreased LOC
Recovery: slower, usually plateaus at about 18 months
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| Ischemic | Causes: artery thrombosis, cryptogenic embolic
Symptoms: numbness or weakness of the face, arm, or leg (one side of the body)
Recovery: usually plateaus at 6 months
Thrombotic/ embolic
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| TIA | Temporary neurologic deficit resulting from a temporary impairment of blood flow
“Warning of an impending stroke”
Diagnostic workup is required to treat and prevent irreversible deficits
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| ischemic strok | Disruption of the blood supply caused by an obstruction, usually a thrombus or embolism, that causes infarction of brain tissue
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Created by:
beatrice43
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