Module 2

Question 1

What is Clark’s Rule?

Answer 1

It is a general rule for calculating a paediatric use based on an adult dose

(Weight of child in lbs x adult dose)/150 = dose for the child

Question 2

What is BSA in terms of dosing?

Answer 2

BSA (Body Surface Area) can be used to adjust dosage especially in cancer patients that receive chemotherapy

Review formula in Module 3: Special Dosing Considerations

Question 3

What is infusion time?

Answer 3

It is the time in which a given volume of fluid can be infused into the body via IV

Infusion Time = (Volume of infusion in ml)/(Flow rate in mL/h or mL/min)

Question 4

What formula is used to calculate rate of flow?

Answer 4

Rate of flow (drops/min)= (Volume infused (mL) x Drip set (drops/mL))/Time (min)

Question 5

How to calculate infusion rate when given dose?

Answer 5

Infusion rate (mL/h) = (Patient’s wt (kg) x Dose (units/kg/min) x 60)/(Drug concentration (units/mL)