Pharmacology Formulas Flashcards
1
Q
Formula for drug volume calculation
A
Volume required= strength required/ stock strength x Volume of stock/1
2
Q
Formula for calculating number of drop per minute delivered by an IV infusion?
A
Drip rate per min = Volume (mL)* Drops per ML/ Time(h) * 60
3
Q
Formula for intravenous volume calculation?
Example: A pt is receiving 100ml/h of a solution for 1.5 h. How much fluid are they receiving?!
A
Volume mL= Rate(mL/h)* Time (h)
4
Q
IV time calculation formula
Example: a patient is receiving a 2L infusion IV at a flow rate of 160 mL/h. How long it will take?
A
Time = Volume (mL)/ Rate (mL/h)