Chapter 6 - Calculation Skills Flashcards
1
Q
1% means what in weight/volume and weight/weight calculations?
A
Weight/volume = 1g in 100ml (or 10mg in 1 ml)
Weight/weight = 1g in 100g
2
Q
How to write micrograms in charts?
A
Write them as decimals in milligrams e.g. 500 micrograms as 0.5mg
3
Q
What to do when changing from capsule to liquid form of drug?
A
Check BNF for any conversions
For example - phenytoin, digoxin, sodium fusidate
Phenytoin 100mg capsule is equivalent to 92mg liquid (capsule has sodium salt of phenytoin, liquid has phenytoin base)
