Examples · IV infusion time
Worked example
IV infusion time - practice problem 3
An IV pump is running 1000 mL of D5 1/2 NS at 75 mL/hr.
Volume1000 mL
Rate75 mL/hr
How long will the infusion take (hours)?
Answer: 13.33 hr
Step-by-step solution
1. Divide the volume by the rate
1000 mL ÷ ( 75 mL ÷ 1 hr )
2. Cancel mL and solve for hours
= 1000 ÷ 75 hr
= 13.33 hr
3. Convert the decimal hours to hours and minutes
13.33 hr = 13 hr 20 min
= 13 hr 20 min
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