CVA - Brain Attack: CVA Presented by Manny Ramos RN, MSN...

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1 Brain Attack: CVA Presented by Manny Ramos RN, MSN Cerebrovascular Accident • Ischemic: blood supply interrupted by thrombus or embolus • Hemorrhagic: blood vessel breaks open, blood spill into brain stroke Incidence: –3 rd Leading cause of death in North America –600,000 (approx.) CVA victims per year –At least 80% of CVA victims survive –Many survivors are left with functional impairments.
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2 Risk Factors • Hypertension • Diabetes mellitus • Sickle cell disease • Substance abuse • Atherosclerosis • Obesity • Sedentary life-style • Hyperlipidemia • Atrial fibrillation • Cardiac disease •T IA s • Oral contraceptives • Pregnancy • menopause • Cigarette smoking Pathophysiology • Neurologic deficits 2o to compromised blood flow • Cerebral swelling, vasospam, increased blood viscosity further impede blood flow • Cells may survive if adequate circulation is re-established • Contralateral deficit Transient ischemic attack (TIA) • Brief ischemia, <24 hrs. • Warning of thrombotic stroke Etiology: • Inflammatory artery disease • Sickle cell anemia • Atherosclerosis • Thrombosis • Emboli
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3 TIA Manifestations: • Sudden onset • disappearance within minutes, hours or a couple of days
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CVA - Brain Attack: CVA Presented by Manny Ramos RN, MSN...

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