NURS 6501 Week 10_presentation.pptx - Hypertension Hypertension Definition Chronic elevation in arterial blood pressure Systolic blood pressure(SBP of

NURS 6501 Week 10_presentation.pptx - Hypertension...

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Hypertension Definition Chronic elevation in arterial blood pressure Systolic blood pressure (SBP) of 140 mm Hg or greater Diastolic blood pressure (DBP) of 90 mm Hg or greater Most common primary disease in the United States Affects 1 – 3 Americans Incidence increases with age Greater prevalence in African American Population
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Types of Hypertension (HTN) 1. Primary Pathophysiology – sustained increase of peripheral resistance Sympathetic nervous system attributes to development, maintenance and end-organ damage Blood vessel structural changes Renal sodium retention Insulin resistance Increased Increased renin, angiotensin and procoagulant effects Cause Interaction of genetics and environment
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Types of Hypertension 1.Secondary Pathophysiology - raised peripheral resistance or cardiac output Underlying disease process or medication contribute to peripheral resistance Disease processes Parenchymal disease Adrenocortical and adrenomedullary tumors Medications Oral contraceptives Corticosteroids Antihistamines
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Hypertension and CVA Hypertension and Cerebral Vascular Accident (Stroke )
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