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Test1_Chapter 26F

Perfusion/HTN-Chapter 26

Normal BP < 120/ <80 mmHg
Pre-HTN 120-139/80-89 mmHg
stage 1 HTN 140-159/90-99 mmHg
stage 2 HTN >160/ >100 mmHg
HTN >135/ >85 mmHg
Orthostatic HTN a drop in BP changing from lying to sitting
HTN complications atherosclerosis, cardiac, renal, and peripheral vascular disease
Cardiac output the volume of blood flowing through either the systemic or the pulmonary circut per minute nad exerts pressure on artery walls
CO is affected by Na intake, venous constricion, stress
Preload How much does right ventricle have to strech to accomodate incoming blood?
Afterload How hard does left ventricle have to pump to expel blood?
HTN symptoms may be asymptomatic, retinal changed, papilledema, target organ damage (heart, kidney, cerebrovascular), pain, dizziness, tinitus, early AM headache, blurred vision, nocturia
Target organ damage - Heart angina, MI, heart failure
Target organ damage - kidney renal failure
Target organ damage - cerebrovascular TIA, stroke
Target organ damage - eye retinopathy
HTN lab studies Na, K, creat, fasting glucose, cholesterol, LDL,HDL, EKG
HTN assessment family hx, occupation, diet, exercise
HTN treatment recommendations weight loss, reduce ETOH and Na intake, regular exercise, stop smoking, reduce fat and cholesterol
HTN Meds diuretics, andrenergic inhibitors, B-blockers, A-blockers, vasodilators, ACE-inhibitors, angiotensin II receptor blockers, CCBs, peripheral vasodilators
Collaborative problems Left ventricular hypertorphy, MI, heart failure, TIAs, stroke, renal failure
HTN crisis BP must be lowered immediately (w/in) to halt or prevent organ damage
Created by: jhrobins99