Perform Calculations based on:
Percent weight-in-volume
Percent volume-in-volume
Percent weight-in-weight
Perform Calculations based on Ratio
strength
The % sign indicate the number of parts in a hundred
Percentage refers to the rate per hundred
Percent o
10/12/2016
Calculate Doses based on age,
body weight and body surface area
Utilize dosing tables and nomograms in
calculations
Calculate doses for single and
combination chemotherapy regimens
1
10/12/2016
Usual dose: amount produces desired effect in majo
9/21/2016
Demonstrate an understanding of the format and
components of a typical prescriptions
Demonstrate an understanding of the format and
components of a typical institutional medication orders
Interpret Standard abbreviation and symbols used on
presc
9/27/2016
Reducing and Enlarging
Formulas
Chapter 16
Reducing and Enlarging Formulas
Formulas in the USP-NF are based on the preparation of 1000 mL or 1000 g
of product
Other formulas may be based on different quantities
Small quantities are required i
9/12/2016
1.
2.
3.
4.
5.
6.
Use the metric units of weights, volume and
length
Perform conversions using inter-systems
relationships
Describe the use of Class A torsion balance in
small scale compounding
Calculate the LWQ and LMQ
Use the aliquot method to
DIMENSIONAL ANALYSIS, RATIOS,
PROPORTIONS, PERCENTAGE, AND
ESTIMATION
Iman Zaghloul, Ph.D
Associate Professor of Pharmaceutics
Dept. of Pharmaceutical Sciences
Office Hours: 2-4 pm on Tuesday& Thursday
MEDICATION ERRORS
THE IMPACT OF CALCULATION ERRORS
ht
Selected Abbreviations, Acronyms, and Symbols used in Prescriptions and Medication Orders
Abbreviation (Latin Originc)
Meaning
Prescription Filling Directions
aa. (ana)
of each
ad (ad)
up to; to make
disp. (dispensatur)
dispense
div. (dividatur)
divide
d.
10/12/2016
CalccQuiz
Chapter 6
6A. AURALGAN Otic Drops contain:
Rx Antipyrine
Benzocaine
Acetic Acid
u-polycosanol 410
Glycerin,
ad
5.4%
1.4%
0.01%
0.01%
10 mL
(a) What would be the content of antipyrine, in mg/mL?
1
10/12/2016
(b) If a patient used 5 dro
9/21/2016
CalcQuiz: Chapter 2
2A. A health-news story which received widespread attention in recent years involved the
successful premature birth of octuplets. The eight babies ranged in weight from 1 pound 8
ounces to 3 pounds 4 ounces. Using the equival
9/12/2016
PHARMACEUTICAL CALCULATIONS, 14th Edition
By
Howard C. Ansel
Page 16
1.Digoxin (LANOXIN) pediatric elixir contains 0.05 mg
(milligram) of digoxin in each milliliter (mL) of elixir. If
there are 1000 g (micrograms) in each milligram, how
many mic