Calculations

Question 1

IV drip rate

Answer 1

The provider has ordered 1,000 mL 0.9% sodium chloride to infuse over 8 hr. You have a macrodrip tubing with a drop factor of 15 gtt/mL available. Calculate how many gtt/min to set as the IV flow rate.

IV flow rate (ggt/mL) =
Volume (mL) / Time (min) * drop factor (gtt/mL)

Question 2

IV drip rate (2)

Answer 2

The provider has ordered amiodarone (Cordarone) 300 mg in 100 mL to be infused over 30 min. Determine how many mL/hr to set the IV pump to deliver.

IV Flow Rate (mL/hour) =
Volume (mL) / Time (min) * 60min / 1 hr

Question 3

Sliding Scale - Insulin

Answer 3

In most sliding-scale insulin therapy regimens, your blood sugar is taken using a glucometer. This is done every six hours, or before meals and at bedtime — in total, about four times a day. The amount of mealtime insulin you get is based on your blood sugar measurements at those times. Usually fast-acting insulin is used.

Question 4

Heparin Infusion Rate

Answer 4

Total Units (in IV bag) = Units/hour Total Volume (ml) X (ml/hour)