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8 Cards in this Set
- Front
- Back
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formula for the anion gap
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Na - (Cl + HCO3)
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equation for serum osmolality
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2*Na + Glu/18 + BUN/2.8
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normal urine output for an adult
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700 to 2000 cc/day
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definition of oliguria
anuria? |
< 450 cc/day
< 100 cc/day |
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definition of polyuria
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> 3 liters/24 hours
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in the patient w/ polyuria, how do you tell between primary polydipsia and solute diuresis?
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in primary polydipsia, urine osmolality will be < 250
in solute diuresis, urine osmolality will be > 300 |
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test to perform to assess the cause of polydipsia
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water deprivation test
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result of water deprivation test in patient with central DI
nephrogenic DI? |
CDI: urine osmolality increases by > 50% after vasopressin
NDI: minimal response to vasopressin |
