A Physician orders 40 mL of an IV solution containing ampicillin to run in 30 minutes...

A Physician orders 40 mL of an IV solution containing ampicillin to run in 30 minutes with a microdrop infusion set. This is to be followed by 500 mL of NS to infuse at 50 drops per minute with an infusion set of 20 gtt/mL.

What is the flow rate for the ampicillin solution?
What is the total infusion time for the two IV solutions?

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Expert Solution

1)The formula for calculating the IV flow rate (drip rate) is… total volume (in mL) divided by time (in min), multiplied by the drop factor (in gtts/mL), which equals the IV flow rate in gtts/min.

flow rate=total volume/time *drop factor

=40/30*20=26.6gtts/min

2)infusion time (hr) = total volume (mL) ÷ flow rate (mL/hr)

totalvolume (mL) = flow rate (mL/hr) × infusion time (hr)

infusion time :

=590/590/80*20/60=26.6hr

Nightingale answered 2 years ago

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