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?

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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