Med Math: Drips Question #9

Question

The nurse administers the initial bolus of 10,000 units heparin to a patient weighing 152 lbs and will follow the bolus with a continuous IV heparin infusion to deliver 50,000 units of heparin in 1L D5W to deliver 18 units/kg/hr. Calculate the mL/hr that will be set for the IV pump.

Answers

1. 124 mL/hr
   • Rationale:
2. 2.4 mL/hr
   • Rationale:
3. 24.9 mL/hr
   • Rationale:
4. 12.4 mL/hr
   • Rationale:

Overview

Explanation

Correct response = total units in IV/total vol = units per hr/ x mL also calculate lb to kg = 69.1 then 18 units/kg/hr = 1243.8 units per hr then plug into equation: 50,000 units/1000 mL = 1243.8 units per hr/ x mL = 24.9

Learning Outcomes

Test Taking Tip

Video Rationale