Perfusion/HTN-Chapter 26
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Normal BP | < 120/ <80 mmHg
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| Pre-HTN | 120-139/80-89 mmHg
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| stage 1 HTN | 140-159/90-99 mmHg
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| stage 2 HTN | >160/ >100 mmHg
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| HTN | >135/ >85 mmHg
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| Orthostatic HTN | a drop in BP changing from lying to sitting
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| HTN complications | atherosclerosis, cardiac, renal, and peripheral vascular disease
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| Cardiac output | the volume of blood flowing through either the systemic or the pulmonary circut per minute nad exerts pressure on artery walls
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| CO is affected by | Na intake, venous constricion, stress
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| Preload | How much does right ventricle have to strech to accomodate incoming blood?
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| Afterload | How hard does left ventricle have to pump to expel blood?
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| HTN symptoms | may be asymptomatic, retinal changed, papilledema, target organ damage (heart, kidney, cerebrovascular), pain, dizziness, tinitus, early AM headache, blurred vision, nocturia
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| Target organ damage - Heart | angina, MI, heart failure
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| Target organ damage - kidney | renal failure
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| Target organ damage - cerebrovascular | TIA, stroke
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| Target organ damage - eye | retinopathy
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| HTN lab studies | Na, K, creat, fasting glucose, cholesterol, LDL,HDL, EKG
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| HTN assessment | family hx, occupation, diet, exercise
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| HTN treatment recommendations | weight loss, reduce ETOH and Na intake, regular exercise, stop smoking, reduce fat and cholesterol
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| HTN Meds | diuretics, andrenergic inhibitors, B-blockers, A-blockers, vasodilators, ACE-inhibitors, angiotensin II receptor blockers, CCBs, peripheral vasodilators
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| Collaborative problems | Left ventricular hypertorphy, MI, heart failure, TIAs, stroke, renal failure
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| HTN crisis | BP must be lowered immediately (w/in) to halt or prevent organ damage
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