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Discussion

med math stumper- HELP!!

Ok, I am taking my NCLEX in two days and here is a hum-dinger of an med-math problem that myself and my nursing friends cannot figure out. I am including the answer. This came off of a practice exam and I have seen the rational and still cannot figure it out. Can anyone help me?

The physician orders 1000 ml of NS. The IV is infusing at 25 microgtt/min. (Drop factor is microdrop). The nurse will calculate the infusion time as ____________ hrs.

The answer is 40.

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    Microdrop will mean 1ml=60gtts

    In order to get microgtt/hour, you mulitply 25 X60=1500 microgtt/hour. 25micrgtt X 60min = 1500 microgtt

    min 1hour hour

    Now, since there are 60gtts in 1ml, you divide the 1500 by 60 to convert it to ml. 1500/60= 25ml/hr. 1500mcgtt X 1ml = 25ml

    hour 60mcgtt hour

    Since you have 1000ml total and you are infusing 25ml/hr, you divide 1000 by 25. 1000ml/25ml/hr=40 hrs.

    Gosh I hope this helps and you can see where the factors cancel each other out. I'm not goo at explaining math.

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    I agree with the above....but I'll make it neater to see haha

    you want hours

    (hrs) 1hr...x...1 min..x....60mcgtt..x..1000ml =60,000

    ``` 60min```25mcgtt````1ml`````````````1500 and you get 40 hours when it all cancels out

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    LOL. I SUCK at trying to exlplain math. I make it so much more complicated usually! Yours looks loads better!!!

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