Examples · IV infusion time
Worked example
IV infusion time - practice problem 12
An IV pump is running 250 mL of D5W at 120 mL/hr.
Volume250 mL
Rate120 mL/hr
How long will the infusion take (hours)?
Answer: 2.08 hr
Step-by-step solution
1. Divide the volume by the rate
250 mL ÷ ( 120 mL ÷ 1 hr )
2. Cancel mL and solve for hours
= 250 ÷ 120 hr
= 2.08 hr
3. Convert the decimal hours to hours and minutes
2.08 hr = 2 hr 5 min
= 2 hr 5 min
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