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IV infusion time |
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IV infusion time |
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Formulas
Basic Time
| Volume Rate |
= Hours |
Time Calculated Using IV Tubing Only
| Volume / | ( | gtt/min Calibration |
x 60 | ) | = Hours |
Examples
1. Using a volumetric IV pump calculate to duration of 1000 mL of normal saline infusing at 125mL/hour.
select "IV pump"
volume = 1000 milliliters
rate = 125 mL/hr
Actual formula:
| 1000mL 125 |
= 8 Hours |
2. There are 250 mL of D5W infusing at 33 gtt/min on IV tubing calibrated at 10 gtt/mL. Calculate the infusion time.
select "No IV pump"
volume = 250 mL
rate = 33 gtt/min
calibration = 10 gtt/mL
Actual formula:
| 250 / | ( | 33 gtt/min 10 |
x 60 | ) | = 1.26 Hours |
0.26 x 60 = 16 minutes
So 1.26 Hours = 1 Hour & 16 minutes
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