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Overview of Stroke

Stroke occurs due to brain ischemia or hemorrhage, leading to impaired function. Risk factors include age, HTN, DM, heart disease, and smoking. Types: ischemic (thrombotic/embolic) & hemorrhagic. Prevention: BP control, lifestyle changes, aspirin.

Mason Bennett
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Stroke-Occurs when there is ischemia or hemorrhage into the brain-Functions are lost or impaired-Severity of function loss varies according to location and extent ofbrain involved.Risk Factors-NonmodifiableoAge 65 yearsoSexoEthnicityoPersonal circumstancesoArteriovenous malformation-Modifiable risksoHTNoDMoHeart diseaseoHigh cholesteroloSmokingoObesityoSubstance useTypes of strokes-IschemicoResult from inadequate blood flow to the brain from partial orcomplete occlusionoThrombotic■Occurs when a blood clot forms in a diseased or narrowedblood vessel■Most common■Associated with DM or HTN■Preceded byTIAsoEmbolic■Occurs when an embolus lodges and occludes a cerebralartery■Results in infarction and edema of the area■Second most common cause of stroke■Majority of emboli originate in heart■Rapid occurance
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