(mg \ valence)/MW OR mmols \ valence

Required Formulas Flashcards by jennifer hunter

Nonsterile compounding

MWQ

Minimum weighable quantity

Sensitivity requirements/0.05

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IBW males and females

IBW males= 50 + 2.3 *(inches over 5 ft)

IBW females = 45.5 + 2.3 (inches over 5ft)

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Phenytoin corretion for hypoalbuminuria?

Can also be used for valproic acid

Total phenytoin measured /[(0.2 x albumin) +0.1]

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Elimination rate constant

Cl/Vd

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meter (m) = centimeters

100 cm

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Sensitivity and Specificity

Test Result Have Condition Dont Have
Positive A B
Negative C D
Total A + C B+D
Sensitivity=A/(A+C)x 100
Specificity= D/(B+D) x 100

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BMI

weight in kg/height m^2

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Total energy expenditure TEE

BEE * activity factor * stress factor

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tsp=ml

5 mL

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1 oz = grams

28.4 g

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mEq

(mg * valence)/MW

mmols * valence

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Calcium _____: __ % elemental

Calcium ____ ___

Carbonate 40%

Citrate 21%

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BSA calculation oncology

BSA m2= Sqrt (ht(cmx wt(kg)/3600

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Celsius to fahrenheit

(F-32)/1.8

C*1.8 + 32

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NNT or NNH-

1/ARR(expressed as a decimal)

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How to determine fluid requirements

if > 20 kg

1,500 mL + (20 mL) (wt in kg -20)

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Osmolarity

mOsmol/L

= Wt of substance in (g/L) / MW (g/mole) * # of particles * 1000

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Absolute neutrophil count (ANC) (cells/mm3)

WBC x [(%segs +%bands)/100]

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tbsp=mL

15 mL

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Loading Dose (LD)

(Desired concentrations * Vd) / F

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Biostatistics:

Relative Risk

Risk=?

Relative Risk=?

Risk= Number of subjects with unfavorable event in group/ total number of subjects in group

RR= Risk in treatment group/ risk in control group

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TTB time to burn

TTB ( with sunscreen in min)= SPF x TTB (without sunscreen)

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Relative Risk Reduction:

(% risk in control group-% risk in treatment group)/ % risk in control group

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Cockcroft gault

CrCl= 140-age/(72\*Scr) \*wt \* (0.85 if female)

Grams of nitrogen from protein

protein intake/ 6.25

1 kg= \_\_lbs

2.2lbs

Dilutions and concentrations

Q1 x C1= Q2 x C2 Q1=old quantity C1= old concentration

Percent ionization weak acid and weak base

pH= pKa + log (salt/acid) weak base: pH=pKa + log (base/salt)

1 oz=mL

30 mL

t1/2

0.693/Ke

Moles or Millimoles

mols=g/MW mmols= mg/MW

1 gallon= __ quarts = __ mL

4 quarts, 3840 mL

Parts per million (PPM) PPM--\> percentage strength Percentage strength to PPM

Move 4 decimals to the left Move 4 decimals to the right

Anion gap

= Na- Cl- HCO3

Chronic heart failure loop diuretic dose conversions:

Ethacrynic acid: 50 Furosemide: 40 Torsemide: 20 Bumetanide: 1 Furosemide IV:PO, 1:2 all others 1:1

Diabetes Insulin to carb ratio Rule of 500 (with rapid acting) Rule of 450 with regular

500/total daily dose of insulin(TDD)= grams of carbs covered by 1 unit of rapid acting insulin 450/TDD 1,800/TDD= correction factor

1 pint=oz=mL

16 oz, 480 mL

Clearance

(Fxdose)/AUC or ke \* Vd

Specific gravity

= g/mL

AdjBW

= IBW + 0.4(TBW-IBW)

1 grain= mg

65 mg

ARR Absolute risk reduction:

% risk in control group - (% risk in treatment group)

Steroid dose conversions 8 total

* Cortisone: 25 mg * Hydrocortisone 20 mg * Prednisone 5 mg * Prednisolone 5 mg * Methylprednisolone 4 mg * Triamcinolone 4 mg * Dexamethasone 0.75 mg * Betamethasone 0.6 mg

Percentage strength= Ratio strength=

100/ratio strength 100/percentage strength

1 cup=oz=mL

8 oz, 240 mL

Parenteral nutrition calorie levels

Dextrose: 3.4 kcal/g AA: 4 kcal/g IV fat 10%: 1.1 kcal/mL 20%: 2 kcal/mL 30%: 3 kcal/mL

ABG: /,/,/ pH acidosis vs. Alkalosis Respiratory vs Metabolic

pH/pCO2/pO2/HCO3/O2 sat pH\<7.35 acid \>7.45 alkalosis Res: CO2 \<35 alk \>45 acid Metabolic: HCO3 \> 26 alkalosis, \<22 acidosis

Bioavailability

F(%)= 100 x (AUC extravascular/ AUC intravenous) \* (Dose intravenous/dose extracellular)

Isotonicity: E

58.5 (i)/ MW of drug\*(1.8)

Odd Ratio:

AD/BC

LDL calculation

TC-HDL - (TG/5) DOnt use TG if \>400

Alligations

High Low-desired=parts high Desired Low

When do you know if someone is dehydrated?

BUN:SCr \>20:1

HR?

Hazards Ratio Hazard Rate in Treatment group/ Hazard rate in control group

1 lbs= grams

454 g

1 quart = _ pints = __ mL

2 pints, 960 mL

Inches=centimeters

2.54 cm

Flow rates: Drops per minute

of drops/mLx mL/hr x hr/60 min = # drops/minute

Volume of Distribution?

Vd= Amount of drug in body/concentration of drug in plasma

percentage strengths %w/v, w/w and v/v

xg/100mL, xg/100g, x mL/100 mL

Corrected calcium=

Cacorrected (mg/dL)= Reported Calcium +[(4.0 - albumin) x (0.8)]

Regular Insulin Correction Factor

1500/(Total daily insulin)

Correction factor for rapid insulin?

1800/TDD

Correction Dose for insulin?

(BG now)-Target/(Correction factor)

Pharmacists Rock At Saving Lifes and Preventing Flu

Pita: 2 mg Rosuvastatin: 5 Atorvastatin: 10 Simvastatin: 20 Lova: 40 Pravastatin: 40 Fluvastatin: 80

Modified % ionization for henderson

= 100/(1+10^(pKa-pH))

Novolog, Fiasp

Insulin Aspart

Humalog

Lispro

Humulin R, Novolin R

Regular

Humulin R U-500

Concentrated reg

Humulin N, Novolin N

NPH

Levermir

Determir

Lantus, Toujeo

Glargine

Tresiba

Degludec

Ferrous gluconate

12%

Ferrous Sulfate

20%

Dried Ferrous sulfate

30%

Ferrous Fumurate

33%

Carbonyl Iron

100%

Polysaccarharide iron complex

100%

Ferrous sulfate 325 mg tablet How much elemental iron?

Ferrous sulfate dried ER 160 mg tablet

50 mg elemental iron