Examples · IV flow rate (mL/hr)
Worked example
IV flow rate (mL/hr) — practice problem 2
An order reads: infuse 500 mL of lactated Ringer's over 4 hours using an IV pump.
What rate (mL/hr) should the pump be set to?
Answer: 125 mL/hr
Step-by-step solution
1. Divide the volume by the time in hours
500 mL ÷ 4 hr
= 125 mL/hr
2. Round to a whole mL/hr the pump can be set to
125 mL/hr ≈ 125 mL/hr
= 125 mL/hr
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