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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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rkoch rkoch
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11 years ago
OMG!!! Please help, I sit for the boards this Tuesday and because I am soo nervouse, I feel like I forgot everything. Gentamycin 80 mg/100 mL is ordered to be administered over 30 minutes. The drop factor of your tubing is 10 gtts/mL . What is the rate in drops per minute? Please leave an example.
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wrote...
#1
11 years ago
Okay, here is your formula:

amount of solution x drop factor
-----------(divide)------------------------    = gtts/min
minutes to administer

Sooo this is what we fill in because it is 80 mg IN 100 mL solution:

100 ml x 10 gtts/mL
------------------------------  = 33.3 or 33 gtt/min
30 minutes


EXAMPLE:
Order: 1mg Zinacef in 50ml NSS to infuse over 30 minutes
IV drop factor: 15 gtt/ml

50ml x 15gtt/ml
--------------------- = 25 gtt/min
30 minutes


If you need any more help, let me know. I'll do my best. Good luck on the boards!!
wrote...
#2
11 years ago
To set it up with dimensional analysis you would start with your drip factor of

10 gtts    x   100ml
ml                              30

Cross multiply and there is your answer.
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