N112 - Fluid Imbalances
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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show | An increase in ADH will cause the kidney to retain fluid and a decrease in ADH will cause the kidney to excrete fluid.
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show | Aldosterone causes the kidney to retain sodium & water.
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How do fluid shifts occur? | show 🗑
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show | Colloid osmotic pressure is the pulling force of albumin (protein) in the intravascular space.
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What would be the result of low colloid osmotic pressure? | show 🗑
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How would colloid osmotic pressure decrease? | show 🗑
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What would happen to the blood volume if more water stayed in the interstitial space? | show 🗑
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What would an increase in hydrostatic pressure cause? | show 🗑
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show | Damage to blood vessels causes proteins to leak into the interstitial space, the result is edema since the protein in the interstitial space attracts water.
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How does inflammation, burns or allergic reactions effect edema? | show 🗑
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show | Hypovolemia is sodium & water excess, occurs with heart failure. Heart failure reduces renal blood flow and causes retention of sodium & water.
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show | Weight gain, peripheral edema, distended neck & peripheral veins, bounding full pulse, polyuria, pulmonary edema, moist rales. Serum sodium levels may be normal or decreased due to dilution.
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What is hypovolemia? | show 🗑
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What are causes of hypovolemia? | show 🗑
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What is the treatment for hypovolemia? | show 🗑
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show | Indications of fluid volume deficiency may include decreased urine, output, drop in systolic BP, weak rapid pulse, dry mucous membranes, last stages include cold, clammy skin, olguria, stupor & coma.
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What is third spacing? | show 🗑
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