Help with IV infusion rate answer

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Here is the question. Please keep in mind this is the first time doing these and I was never given any advice on how to set these problems up

The conversion I have volume/time x drop factor (gtt/ml)= IV flow rate

Physician ordered 3 grams of zosyn in 250DW5 to infuse at 100mcg/kg/min IVPD. Patient weights 110kg. At what rate in ml/hr will you set infusion device?

The answer I keep on getting is 55,000 which is not an answer to choose. So I think I may need help as I do not know how to start this problem.

Specializes in M/S, pedi.

We run zosyn over 4 hrs too.

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I'm sorry, I just gotta ask... who in the hell orders Zosyn like this? 4 1/2 hours to infuse a dose of Zosyn? Dosed in mcg/kg/min? I work in peds where everything is weight based and Zosyn is dosed at 80-100 mg/kg q 8hr based on the piperacillin component. It is infused over 30 minutes, not 4 1/2 hours. Everything about this problem is wrong.

Yep. We also run our 3.375g/ 50mL Zosyn over 4 hours.

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Specializes in Pedi.
Yep. We also run our 3.375g/ 50mL Zosyn over 4 hours.

I have honestly never seen it run this slowy. I've seen kids on bigger doses than that and it's still run over 30 minutes. I had a 10 year old earlier this summer who went home on 5.4g q 8hr. It was dispensed in an elastomeric pump to run over approx 30 min.

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Specializes in OR, Nursing Professional Development.

With the exception of preop doses, we run ours over 4 hours. Preop doses are 30 minutes and must be hung in the OR.

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