Exam (elaborations)
COMPLEX MED SURG EXAM 3-Perfusion questions with correct answers
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What is preload? - Answer the volume/pressure of the blood returning and filling the heart What is afterload? - Answer the pressure the left ventricle must overcome to eject its blood (more resistance=more afterload) Decreases preload: inhibits Na+ reabsorption thereby promoting fluid loss For HTN, HF, cardiogenic shock SE: hypotension, hypokalemia, ototoxicity Teaching: watch for dizziness when standing, eat foods with K+ - Answer K+ wasting diuretics (furosemide) Blocks effect of aldosterone thereby increasing fluid loss and retaining K+ For Ascites, counteracts the hypokalemia from furosemide SE: hyperkalemia Teaching: avoid Na+ substitutes - Answer K+ sparing diuretics (spironolactone)
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- July 30, 2023
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complex med surg exam 3 perfusion questions with c
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