HA Exam 2 Simmons College FNP
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Where does the left coronary artery supply?
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Supplies anterior and lateral portions of the left ventricle. 2 branches: left anterior descending supplies the av node, the septum, anterior lv circumflex supplies the left atrium and posterior lv
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Where does the right coronary artery supply?
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SA node, right atrium, most of the right ventricle
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What constitutes metabolic syndrome?
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3 or more: abdominal obesity, triglycerides >150, HDL <40 (men) 110, hypertension
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Risk factors for Coronary Heart Disease
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Family hx (the younger the event in 1st degree relative >risk); male > female; smoking; metabolic syndrome; physical inactivity; stres
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Patho of CAD
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A pathologic continuum resulting in ineffective pumping action of the heart from myocardial infarct or ischemia. Coronary arteries supply O2 to the heart when increasing demand cannot be met ischemia occurs
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Plaque formation
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deposition of lipids and macrophages in vascular wall
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Is plaque stable or unstable?
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Can be both
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Stable plaques cause
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stenosis
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Unstable plaques
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rupture, release plaques content into blood vessel, clot formation
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These are responsible for local inflammation
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macrophages releasing inflammatory mediators
