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60 year old woman experiencing myocardial infarction, causing permanent…
60 year old woman experiencing myocardial infarction, causing permanent damage to left ventricle papillary muscle and further mitral valve closure. Confirmed history of diabetes mellitus II and obesity. Blood pressure 95/55 and heart rate 125 bpm.
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Concepts
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Mean Arterial Pressure
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High MAP could indicate too much blood flow, possibility of edema
Preload
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Frank-Starling Law
Greater the preload (ventricular stretch) the stronger the cardiac muscles contraction to eject blood
Afterload
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Afterload must be overcame for ventricular chamber to eject blood into the pulmonary trunk and aorta
Peripheral Resistance
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Affected by blood viscosity, vessel length, and vessel radius
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