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Discussion

Drip rate problem,confused

Hello eveyone ,

I need help!practicing dosage rates.

A pt is receiving a Heparin drip at 7ml/hr. The concentration is 25,000units in 250ml of D5W. The physician writes an order to increase the drip by 500 units and hr. At what rate would u set the pump in ml/hr?

The answer is 12ml/hr..HOW??

Can sumone pleez explain this is steps..PLEEEZ!

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    • Featured Replies

    This question is easier than it sounds. It can be solved by using a ratio set up, because the key information you need to find is how many mL's are 500 units.

    25,000 units : 250 mL = 500 units: X mL

    So 500 x 250 = 125,000

    then 125,000 / 25,000 = 5 mL (this is what the physician wants to increase the rate by)

    So 7mL + 5mL = 12mL/hr

    Hope this helps!

  • Quote

    The above solution should work just fine. Its setting up the problemt that's the key...

    On a side note, that's a totally different concentration of Heparin than we use. Ours is 20,000 units in 500mls, or 40units/ml...

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    • Author

    Thanks so Much!People like u really make a difference:yeah:

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