MEDICATIONS AND CALCULATIONS Flashcards
- Metric System
- Apothecaries’ System
- Household System
SYSTEMS OF MEASUREMENTS
- Logically organized into units of 10
- It is a decimal system
Metric System
Multiples are calculated by moving the decimal point to the right and division is accomplished by moving the decimal point to the left
Metric System
Basic units of measurements are:
o Meter
o Liter
o Gram
Metric System
Older than the metric
Apothecaries’ System
Basic unit of weight is the grain (gr) (size of wheat)
Apothecaries’ System
Basic unit of volume is the minim (volume of water equal to a grain of wheat)
Apothecaries’ System
Maybe used when more accurate measure of measure is not liquid
Household System
dose ordered by the primary care provider
desired dose
dose on the label of the bottle, ampule, or vial
dose on hand
Form in which the drug comes such as tablet or liquid
vehicle
Convert pounds to kilogram
Body Weight Method
Considered as the most accurate way to calculate the drug dose for infants, children, older adults, and on clients who are on antineoplastic treatment or whose BW is low
Body Surface Area Method
Multiply the drug dose ordered by the number of square meters
BSA Formula
