Topic vs. Equation
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Sensitivity | Sensitivity= TP/(TP +FN)
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| Specificity | Specificity= TN/(TN + FP)
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| Positive predictive valve | PPV= TP/(TP + FP)
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| Negative predictive valve | NPV= TN(TN + FN)
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| Relative risk | R= [a/(a+b)] {c/(c+d)]
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| Attributable risk | AR= [a/(a+b)] - [c/(c+d)]
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| Number needed to treat | I/absolute risk reduction
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| Number needed to harm | I/attributable risk
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| Hardy-Weinberg equilibrium | p^2+2pq+q^2=1
p+q=1
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| Henderson-Hasselbalch equation | pH=pKa+log (HCO3-)/0.03 PCO2)
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| Volume of distribution | Vd=amount of drug in the body/plasma drug concentration
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| Clearance | CL=rate of elimination of drug/plasma drug concentration
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| Half-life | t(1/2)=0.7xVd/CL
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| Loading dose | LD=Cp x (Vd/F)
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| Maintenance dose | MD=Cp x (CL/F)
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| Cardiac output | CO=rate of O2 consumption/arterial O2 content - venous O2 content
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| Cardiac output | CO=stroke volume x heart rate
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| Mean arterial pressure | MAP=cardiac output x total peripheral resistance
MAP= 1/3 systolic + 2/3 diastolic
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| Stoke volume | SV=end diastolic volume - end systolic volume
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| Ejection fraction | EF= (stoke volume/end diastolic volume) x100
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| Resistance | R=(driving pressure/flow) = [8n (viscosity) x length/πr^4]
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| Net filtration pressure | Pnet= [(Pc-Pi)-(πc-πi)]
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| Glomerular filtration rate | GFR= Uinulin x (V/Pinulin) = Cinulin
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| Glomerular filtration rate | GFR=Kf [(PGC-PBS) - (πGC-πBS)]
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| Effective renal plasma flow | ERPF=UPAH x (V/PPAH) = CPAH
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| Renal blood flow | RBF=[RBF/(1-Hct)]
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| Filtration fraction | FF=(GFR/RPF)
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| Physiologic dead space | VD=VT x [(PaCO2-PeCO2)/PaCO2]
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Created by:
zdevilbiss
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