BSCI 440 Study Guide - Midterm Guide: Left Ventricular Hypertrophy, Coronary Artery Disease, Hypertensive Emergency
15 Sep 2015
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Essential hypertension: not an obvious result of another pathology with normal co, elevated systemic resistance, overactive sympathetic ns and genetic. The factor contributes the most to it is peripheral resistance. Ouabain is derived from plants and discovered to be produced by humans. It is produced in hypothalamus and adrenals. Renal arterial stenosis is narrowing of arteries that carry blood to one or both of the kidneys. The body senses less blood reaching the kidneys and misinterprets that as the body having low bp. Because baroreceptors adapted, it becomes a new normal. Natriuretic peptides: promotes salt and water excretion and reduces bp. Left ventricular hypertrophy: heart enlarges to keep up with systemic resistance, cardiac failure cardiac death insufficiency aneurism of aorta, retinal hemorrhage, microangiopathic hemolytic anemia. If leaving it untreated, elevated bp will make itself worse: vascular modeling. Endothelial injury: stroke, coronary artery disease, myocardial infarction, sudden.
