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15 Cards in this Set
- Front
- Back
Formed by the removal of solute from glomerular filtrate
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Free water
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Percent of filtered substance that is excreted.
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Filtration fraction
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Presence of excess acid
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Acidosis
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Plasma pH << 7.40
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Acidemia
Note: you can have an acidosis without being acidemic. |
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Excess water retention without excess sodium retention.
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SIADH
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What are some things that can cause SIADH?
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Brain lesions
Lung cancers |
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What other ion is lost with diarrhea?
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Potassium is lost along with the HCO3-.
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Tell me about thiazide diuretics and CHF.
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To quote Dr. Clive: "Thiazide diuretics just don't work that well in CHF patients."
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Are thiazide diuretics K sparing?
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No. K sparing drugs are those like spironolactone.
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What is the term for HTN associated with renal failure?
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Renal parenchymal hypertension.
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What is the sodium status of patients with CHF?
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They are hyponatremic.
Low organ perfusion --> activation of AngII --> constriction of efferent arteriole --> oncotic pressure of peritubular capillaries is low --> increased reabsorption of solute at the proximal tubule --> less delivery of solute to the distal nephron.???? |
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What is the potassium status of a chronic renal failure patient?
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Hyperkalemia
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When can you use Winter's formula?
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With metabolic acidosis
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What are the classic signs of the nephritic syndrome?
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BUN 28, creatinine 3.4; hypertension, edema, hematuria
(This is an example of an 11 y.o. boy with acute poststreptococcal glomerulonephritis) |
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What would be some signs/symptoms of a 4 y.o. boy minimal change disease?
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BUN 12, creatinine 0.5, edema, 4+ protein by dipstick; fat droplets in urinary sediment.
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