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27 Cards in this Set
- Front
- Back
what is the sensitivity equation
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sensitivity = TP/ (TP+FN)
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specificity =
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TN/ (TN + FP)
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postivie predictive value =
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PPV = TP/ (TP + FP)
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Negative predictive value =
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NPV = TN/(FN + TN)
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relative risk
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[a/(a+b)] / [c/(c+d)]
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attributable risk
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[a/(a+b)] - [c/(c+d)]
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hardy-weinberg =
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p2 + 2pq + q2 = 1; p + q = 1
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Henderson Hasselbalch =
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pH = pKa + log(HCO3/0.03 PCo2)
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volume of distribution =
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amount of drug in the body/ plasma drug concentration
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clearnace =
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rate of elimination of drug/ plasma drug concentration
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half life =
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0.7 x volume of distribution/ CL
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loading dose =
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Cp x (CL/F)
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CO =
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rate of oxygen consumption/(arterial oxygen content - venous oxygen content)
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CO =
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SVxHR
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MAP =
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CO x TPR
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MAP =
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1/3 systolic + 2/3 diastolic
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SV =
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EDV - ESV
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EF =
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SV/EDV x 100
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resistance =
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driving pressure/ flow
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resistance =
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8n (viscosity)(length)/radius to the 4th x pi
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Net filtration pressure =
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(Pc-Pi) - (xc-xi)
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GFR =
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Uinulin x (V/Pinulin) = C inulin
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Effective renal plasma flow =
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Upah x (V/Ppah) = Cpah
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Renal blood flow
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RPF/(1-Hct)
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Filtration fraction =
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GFR/RPF
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free water clearance =
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V-Cosm
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Physiological dead space
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Vt x (Paco2 - PeCo2)/Paco2)
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