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Cardiovascular System AssmtPhysical Examination & Health Assessment

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Question Answer
MI results from a sudden ____ (increase or decrease) in coronary blood flow or an ____ (increase or decrease) in myocardial oxygen demand without adequate coronary perfusion.
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Decrease (in blood flow), increase (in O2 demand)
____ is the amount of blood ejected from the left ventricle with each contraction.
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Stroke Volume
What physiological factors affect stroke volume?
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Preload (blood in the left ventricle at the end of diastole), afterload (resistance to left ventricle ejection), myocardial contractility
Clients on ACE inhibitors are at risk for ____(hypo or hyperkalemia).
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Clients on diuretic therapy are at risk for ____ (hypo or hyperkalemia).
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What are the normal values for sodium? Potassium? Calcium? And magnesium?
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Sodium: 135-145; Potassium: 3.5-5; Calcium: 4.5-5.5(serum) or 8.5-10.5(total); Magnesium: 1.5-2.5
What is the cardiac index (CI) and what is the normal range?
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CI is a more precise measure of cardiac output; it takes into account tissue perfusion and the client's body surface area (BSA). Normal range is 2.5-4.0 L/min per meter squared.
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