5. Physician\'s order reads: 500 mL NS with 20 mEq KCl over 8h a. What is total

Question

5. Physician's order reads: 500 mL NS with 20 mEq KCl over 8h a. What is total volume to be infused over 8 hours' time? b. Assuming there are no other fluids running, is the NS a primary or secondary infusion? c. Based on your answer from 5b., what VOLUME should initially be entered into the pump? d. Calculate the rate (i.e., the mL/hour) at which the NS must un e. Assuming that this order stands for 24 hours, what is the total volume of NS that will be infused? f. Explain why you do not need to add the 20 mEq to the 500 mL NS to find total volume to be infused.

Explanation / Answer

Given

NS :500ml

KCL:20meq

Over 8 hours

a)over 8 hours of time a pint (500ml) of NS will be administered

b)When medicine like KCL to be administered it can't be given directly and always to be diluted and given very slowly over certain period of time.The solution in which it has to be administered is called as primary infusion

c) depending upon the size of syringe the volume of fluid is calculated.

d)flow rate=total volume*15/total hours*60

Flow rate=500*15/8*60

=15.6(15 to 16 drops per minute)

For 8 hours=500ml

For 1 hour=?

Cross multiply and divide

62.5 ml /hour

e) when for 8 hours it is 500ml

Then for 24 hours=500*3=1500ml

f) Inj.KCL is the medicine to be administered which will endanger life if given directly and therefore diluted acting as secondary infusion.So it need not be calculated when finding the total volume.

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