Pharm calcs Flashcards
What does the abbreviation i stand for?
one tablet, eye drop, inhalation, etc
what does the abbreviation ii stand for?
two tablets, eye drops, inhalations, etc
what does the abbreviation iii stand for?
three tablets, eye drops, inhalations, etc
what do the abbreviations: om, mane, am stand for?
in the morning
what do the abbreviations: on, nocte, pm stand for?
in the night/ evening
what does the abbreviations: prn, sos stand for?
when required/if necessary
what do the abbreviations: mdu, ud stand for?
as directed/use as directed
What do the abbreviations: od, bd (bds, bid), tds (tid), qds (qid) stand for?
OD = once daily
BDS = twice daily
TDS = three times daily
QDS = four times daily
What does the abbreviation qh stand for?
hourly
can add number for amount of hours.
What does the abbreviation qod, alt stand for?
on alternate days
What does the abbreviation: mitt, mite, send stand for?
total quantity
How many grams are in a KG?
1000g = 1kg
How many mg in a gram?
1000mg = 1g
How many mcg in a mg?
1000mcg = 1mg
How many ng in a mcg?
1000ng = 1mcg
How many ML in a L?
1000ML = 1L
How many Microlitres in a ML?
1000ul = 1ML
What are solid dosage forms in?
g, mg or mcg
What are oral liquid dosage forms in?
Miligrams Per xML
e.g = 120mg/5ml
What are non solid dosage forms in?
Weight in vol (%w/v) = gram per 100ML
Volume in vol (v%v) ml per 100ml
weight in weight (w%w) gram per 100g
What does the ratio 1: 1000 stand for?
1g in 1000ml
What does the ratio 1:10,000 stand for?
1g in 10,000 ml
What is the definition of dosage?
The amount of medicine taken by/administered to
a patient in order to achieve a therapeutic outcome
what equation could you use for quantities (volumes you want to give)?
what you want (mass)/ what you have (mass) x vol its in
What is the Cockrauft-gault creatine clearance equation?
serum creatinine
What is the constant in males vs females?
1.23 constant for male
1.04 constant for female
