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Old 12-15-2015, 11:16 PM
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Default Med math question of the day

Tuesday, 12/15/15

At 6:00am you hang a liter of D5NS with KCl 40mEq. You set the pump at 80ml/HR.

At 2:00pm you check the bag and see that there is 360cc left.
1) is your IV running on time?
2) how much potassium has your patient received?
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Old 12-16-2015, 12:28 AM
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Quote:
Originally Posted by GrnTea View Post
Tuesday, 12/15/15

At 6:00am you hang a liter of D5NS with KCl 40mEq. You set the pump at 80ml/HR.

At 2:00pm you check the bag and see that there is 360cc left.
1) is your IV running on time?
2) how much potassium has your patient received?
Yes, IV is running on time. Too tired to figure out the potassium right now.
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Old 12-16-2015, 04:01 AM
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Quote:
Originally Posted by GrnTea View Post
Tuesday, 12/15/15

At 6:00am you hang a liter of D5NS with KCl 40mEq. You set the pump at 80ml/HR.

At 2:00pm you check the bag and see that there is 360cc left.
1) is your IV running on time?
2) how much potassium has your patient received?
6-2 is 8hrs, 8x80=640, 1000-640=360. Yes! Your IV is running just right.

1000/80=12.5, 40/12.5=3.2, 3.2x8=25.6. 25.6mEq!
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Old 12-16-2015, 11:06 AM
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Well done, and thanks for showing your work, grasshopper!
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Old 12-16-2015, 11:11 AM
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12/16/2015

Your patient is prescribed IV heparin for anticoagulation therapy. Pharmacy delivers a 500cc bag labeled "25,000 units." The prescription is for 880 units per hour. For how many cc/hr do you set your IV pump?
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Old 12-16-2015, 12:49 PM
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25000/500= 50 units/ml
880/50=17.6 cc/h
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Old 12-19-2015, 08:36 AM
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Saturday, Dec. 19

You have to make goodie bags for the school party. There are 420 students and staff and everybody gets one. You have eighteen bags of red and green M&Ms. Each bag contains 675 pieces. When you set your elves to work, how many M&Ms do their little fingers put in each goodie bag?
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Old 12-20-2015, 10:14 PM
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18 bags x 675 pieces = 12,150 pieces/420 people.

Comes out to 28.9 M&Ms. Rounding up would mean the last bag would be short, so each bag would get 28 and the elves get to eat the leftovers?
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Old 12-21-2015, 12:53 AM
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Quote:
Originally Posted by RoamingTheWorld View Post
18 bags x 675 pieces = 12,150 pieces/420 people.

Comes out to 28.9 M&Ms. Rounding up would mean the last bag would be short, so each bag would get 28 and the elves get to eat the leftovers?
I volunteer.
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Old 01-25-2016, 05:25 PM
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Default Pedi medication dosing question

I have been remiss in keeping up with this!

January 25, 2016

Your pediatric patient weighs 66 lbs. He is to get a new drug for his condition, prescribed at 175mg TID. The recommended dose range is 5-8mg/kg/day.
Is his dose in the recommended range?
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Drink deep, or taste not the Pierian spring:
There shallow drafts intoxicate the brain,
And drinking largely sobers us again. ... A. Pope

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