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19 Cards in this Set
- Front
- Back
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60-40-20 rule |
TBW = 60% x Kg ICF = 40% ECF = 10% (interstitial = 75%, plasma= 25%) |
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Renal clearance |
C=UV/P |
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GFR: |
U(inulin)xV/P Kf*(Gc+ onc(BS) - )Gbs+ oncC) |
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eRPF RPF |
= U(PAH) V / P RPF = RBF (1-Hct) plasma = 1- Hct |
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FF |
= GFR/RPF |
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Filtered load |
GFR x plasma conc |
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Excretion rate |
V x Ux |
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reabsorption = |
filtered - excreted |
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secretion = |
excreted - filtered |
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FE(Na) |
Na excreted / Na filtered U x V / GFR x P |
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compensation for metabolic acidosis |
PaCO2 = HCO3 x 1.5 + 8 +- 2 |
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compensation for metabolic alkalosis |
PaCO2 + 0.7 mm = HCO3 + 1 |
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compensation for respiratory acidosis |
PaCO2 + 10 = HCO3 + 1 |
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compensation for respiratory alkalosis |
PaCO2 - 10 = HCO3 - 2 |
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henderson hasselbach equation |
pH = 6.1 + log (HCO3/ 0.3*PaCO2) |
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anion gap equation |
Na - (HCO3 + Cl) |
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MUDPILES |
> 12 AG methanol uremia DKA Propylene glycol INH or Iron Lactic acidosis Ethylene glycol Salicylates |
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HARDASS |
normal AG: hyperalimentation (parental nutrition) addison dz RTA Diarrhea Acetazolamide Spironolactone Saline infusion |
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H+ balance in ECF |
H = 25 * (PCO2/HCO3) |
