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mcg/kg/min



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Apr 30, 2009 07:20 PM

mcg/kg/min


A continuous dopamine drip is infusing at 12 ml/hr. Patient weight is 154 lbs. Calculate dose of drug in mcg/kg/min if the label on the bag reads 800 mg in 250 ml, equivalent to 3200 mcg/ml.

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15 Comments
No. 1
from Idaho Murse2b
Old Apr 30, 2009, 07:49 PM

Default Re: mcg/kg/min
the 800mg in 250mL and 3200mcg/mL doesnt add up to me. are you sure you have your numbers right?
In my mind I get 2 different answers
pt wt=70kg
My first answer is 800*10(mg>mcg)/250mL=32mcg/mL, 32mL*12mL(per hour)=384mcg per hour, 384mcg/70kg=5.49mcg/kg/hr....=0.091mcg/kg/min

Answer 2 using 3200mcg/mL
3200mcg/mL*12mL/hr=38400mcg/hr, 38400mcg/70kg=548.57mcg/kg....=9.14mcg/kg/min
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No. 2
from cursedandblessed
Old Apr 30, 2009, 07:57 PM

Default Re: mcg/kg/min
I think it's idahoMurse2B's second answer.
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No. 3
from Couture85
Old Apr 30, 2009, 09:17 PM

Default Re: mcg/kg/min
yes, 9.14 is it! Thank you so, so much!
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No. 4
from Couture85
Old Apr 30, 2009, 09:25 PM

Default Re: mcg/kg/min
I need to see how it's worked. Would someone write it out totally just so I can see how to do it?
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No. 5
from Daytonite
Old Apr 30, 2009, 10:19 PM

A continuous dopamine drip is infusing at 12 ml/hr. Patient weight is 154 lbs. Calculate dose of drug in mcg/kg/min if the label on the bag reads 800 mg in 250 ml, equivalent to 3200 mcg/ml.
12 mL/hour (infusion rate) x 3200 mcg/mL (dose on hand) x 2.2 Kg (conversion to kilograms)/154 pound (patient weight) x 1 hour/60 minutes (conversion factor) = 9.1428 mcg/kg/minute, rounds off to 9.14 mcg/kg/minute
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1 Reader Gave Kudos
 
No. 6
from Couture85
Old Apr 30, 2009, 10:33 PM

Default Re: mcg/kg/min
You're an angel! Thank you so much!!
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No. 7
from Couture85
Old Apr 30, 2009, 10:53 PM

Default Re: mcg/kg/min
Would someone work this one out so that I can see how it's done? A 90 kg patient is receiving Levophed at 60ml/hr. The label on the bag reads 8 mg in 1000 ml of 5% dextrose. How many mcg/kg/min is the patient receiving?

I failed pharmacology last semester and if I don't pass my final, I'm out of nursing. I truly appreciate all of the help I'm getting here. You guys are the best!
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No. 8
from TheSquire
Old May 01, 2009, 05:22 AM

Default Re: mcg/kg/min
...you passed gen chem? This is a simple unit problem.
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No. 9
from Couture85
Old May 01, 2009, 05:27 AM

Default Re: mcg/kg/min
Geez, thanks for being kind.
No, we don't have to have chemistry at my school.
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