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Discussion

Math Calc Help Please

I have another dilemina in trying to solve the following problems ... I have to know it inside out, because my last try is Monday:(.

Oh, I did take the Pediatric Med calc this morning, I feel confident that I passed it. I won't know until later, Please pray for me, everyone....

#1. Order is to administer 300ml NSS 0.9 at 150ml/hr. the drop factor is 20gtt/min. the IV should infuse at _____________ gtt/min.

#2. order: administer 1000ml of D5W at 40 ml/hr. the IV is started Oct 8th at 10am.

How many hours will the IV infuse?_________

What time will the IV be completed?__________

Featured Replies

  • Author

HEY CONGRATS:yeah:!!!!!!!!! I am sooooooo happy for you!!!!!!!!!

Guess what? I started an early thread thanking everyone for all their help because I got and 100 on my Peds Math calcu test. I was soooo happy when I checked my grade today.:yelclap:

I still have 1 more hurdle to go, because as you know I have only 1 time left to pass my medsurge math this coming monday.Oh thank u for the math problems..... I can surely use them.... again CONGRATS on your achievement.:cheers:

  • Author

1. 1200ml/11hrs= 109ml/hr

109 x 20gtt/60 = 36 gtt/min

2. 130ml x 10gtt/60min = 22 gtt/min ( I think you meant 10gtt).

3. 500ml/75hr = 6.6 ( .6 x 60min = 36minutes)

= 6 hrs and 36 minutes.

Congrats to both of you!! :yeah:

Here are a few more problems.

D5W IV at 125 ml/h. Drop factor of 10 gtt/ml

____ gtt/min

LR IV at 150 ml/h. Drop factor of 15 gtt/ml

____ gtt/min

Ampicillin 500 mg IV in 100 ml NS, infuse over 45 min. Drop factor of 20 gtt/ml

____ gtt/min

Answers:

21 gtt/min

38 gtt/min

44 gtt/min

  • Author

#1. 125ml x 10 gtt/60 min = 21 gtt/min

#2. 150ml x 15gtt/60min = 38 gtt/min

#3. 100ml x 20gtt/ 45min = 44gtt/min

keep the problems coming if you can........

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