Question

An IV of 500 mL ½ NSS is to be infused over 2 hours. The IV...

An IV of 500 mL ½ NSS is to be infused over 2 hours. The IV tubing has a drop factor of 10 gtt/mL. Calculate the gtt/min flow rate. Round to the whole number.

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Answer #1

An IV of 1/2 NS 500mL to be infused over 2 hours.

This can be calculated by using the formula

The flow rate gtt/min = Total volume of fluid (mL) * drop factor / Total duration of time in min.

Total volume of fluid = 500mL

Drop factor = 10gtt/min.

Total duration of time in min = 2hours *60 = 120 min.

The flow rate = 500 * 10 / 120 = 41.6 gtt/min.

This can be rounded to 42 gtt/min.

So the IV fluid of 500mL 1/2 NSS to be infused over 2 hours at a flow rate of 42 gtt/min.

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