[PDF] [PDF] Nursing Calculations Help Sheets - UniHub

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Prepared by: Janet Tweedy and Deb Mason, Nurse Educators, Department of Nursing, When calculating how much of a drug is required, working with the

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Therefore, the nurse should give 2 tablets The same formula can be used for dosage calculations where the medication is available as amount per certain volume

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In current nursing practice, the need to calculate drug dosages is not uncommon These calculations have to be performed competently and accurately to ensure 

[PDF] Nursing Calculations Help Sheets - UniHub

www snap nhs uk This site is free and has a mixture of numeracy and nursing calculation quizzes Example: An infusion of fluid has been running for 8 hours at a rate of 125ml/hour http://www jdmd com/glossary/medabbr pdf LET - Maths 

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medication administration guidelines, basic maths and medication calculation formulas If necessary, calculate the dose and have another nurse calculate the dose as http://www mims com au/newsletter/201302/ManagingEditorFeb13 pdf

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The purpose of Critical Thinking: Nursing Calculations Part I is to provide information about basic facts and basic skills related to safely calculating medication dosages Retrieved from http://www nist gov/pml/wmd/metric/ upload/1136a pdf

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IV Drugs and infusion management workbook V8 Review date January, 2022 Drug Calculations Workbook Registered nurses Operating department 

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Applicants to the LPN-to-Associate Degree "Bridge"Nursing Program must document Applicants may take the dosage calculation competency exam once in order to o Test-takers may use a basic calculator that does not store data

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10 hours of rehydration fluid by IV infusion The giving set delivers 20 drops/mL Calculate the drip rate Example 1: Drug Made Up From Stock Solution

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numeracy@mdx.ac.uk Page 1

WORKSHOPS & TUTORIALS:

http://tiny.cc/ldubooking

VIDEOS:

http://www.YouTube.com/user/ellsmdx http://www.YouTube.com/user/ldumdx These videos are useful because you can play them over again.

BOOKS:

Gatford, JD. and Phillips, N. 2008. Nursing Calculations. Churchill Livingstone. This is a good book to start with. It is easy to read and has lots of exercises to work from.

WEBSITES:

www.testandcalc.com This site has nursing calculation quizzes with answers that you can access immediately - no need to download. www.snap.nhs.uk This site is free and has a mixture of numeracy and nursing calculation quizzes

EMAIL:

numeracy@mdx.ac.uk /(70DWKV6WDWV1XPHUDF\ numeracy@mdx.ac.ukPage2

123456789101112

2468101214161820 2224

3912151821242730 3336

416202428323640 4448

5253035404550 5560

63642485460 6672

749566370 7784

8647280 8896

98190 99108

10100 110120

11121132

12144
BIG to small multiply (x) Small to BIG divide (÷)

TomultiplybyMovethedecimalpoint

10003placestotheright

100

2placestotheright

10

1placetotheright

0.3824x1000=382.4

0.3824x100=38.24

0.3824x10=3.824

TodividebyMovethedecimalpoint

10003placestotheleft

100

2placestotheleft

10

1placetotheleft

5713÷1000=5.713

5713÷100=57.13

5713÷10=571.3

x1000x1000 x1000

Kilogram

kg Gram g

Milligram

mg

Microgram

mcg :1000:1000:1000 x 2 x 2 : 2 : 2 : 2 : 2 x 2 x 2 1000
500
250
125
62.5

Volumeൌ

TotalDailyDose=patient'sweightxdose

Single

Doseൌ

DOSAGE

BASEDONBODYWEIGHT

mL/hr ൌ drop/min ൌ

INFUSION RATES /(70DWKV6WDWV1XPHUDF\

numeracy@mdx.ac.ukPage3 Easy

Halvingfractions

well 'school type'division.

Here'sanexamplethatworkswell

125

Here'sanexamplethatdoesn'twork

whynot?

Doublingfractions

number workwithnicewholenumbers.

Here'sanexamplethatworkswell

5

Here'sanexamplethatdoesn'twork

whynot? /(70DWKV6WDWV1XPHUDF\ numeracy@mdx.ac.ukPage4

1placetotheright.

Here'sanexample

=0.75

Hereare2exampleswhereyoucanmultiplyby100

=3

Usingapproximations

whetheryouransweris'sensible'.

Here'sanexample

318.75ൊ1.97

anapproximateanswer

320÷2=160

Thisisthe'roughguide'toyourcalculation.

know

Here'sanotherexample

0.45x500

Round0.45to0.5andrememberthat0.5isahalf(

Halfof500=250

Theactualansweris225NOT2.5or25.

Alwayscheckthedecimalpoint.

/(70DWKV6WDWV1XPHUDF\ numeracy@mdx.ac.ukPage5

EquationsforInfusionRates,TimeandVolume

(mlperhour) infusion(hours).

Example:

hour? R= longwillthisinfusiontake? T= =hours

125ml/hour.Howmuchfluidhasbeeninfused?

V=RxT=

x =ml 125
x8=1000ml=1Litre /(70DWKV6WDWV1XPHUDF\ numeracy@mdx.ac.ukPage6

InfusionRates

When thedropfactoris15wehave... When thedropfactoris20wehave... /(70DWKV6WDWV1XPHUDF\ numeracy@mdx.ac.ukPage7 Drug

CalculationsPractice1

1) Youhave450mcgofDigoxin,howmanymgisthis?

2) Howmanymicrogramsaretherein0.06milligrams?

3) Thedoctorprescribes500mgofFlucloxacillin.Thebottle

youhavecontains200mgin1ml.Howmanymldoyou give?

4) 1.5gofParacetamolisprescribed.Thedrugisavailablein

500
mgtablets.Howmanytabletsdoyougive?

5) Mrs.Xweighs70kg.Ithasbeendecidedtogiveher

6) Mrs.BneedsParacetamol,20mg/kg/day

(infourdivided doses).

Sheis46yearsoldandweighs80kg.Workoutthe

singledosetobegiven.

7) Apatientisgiven1.5litresofDextrose5%over4hours.How

manygramsofDextrosedotheyreceive?

8) Apatientisgiven1.5litresofDextrose5%over4hours.

Whatis

therateinmlperhour?

9) 600mloffluidistobegivenover4hours.Whatisthe

10) 2litresofnormalsalineistobeinfusedin10hours.The

/(70DWKV6WDWV1XPHUDF\ numeracy@mdx.ac.ukPage8

DrugCalculationsPractice1ͲAnswers

1)

0.45mg

2) 60mcg
3) ൌ2.5ml 4)

1.5g=1500mg

ൌ3tablets 5)

70x6=420mg

6)

20x80=1600and

ൌ400mg 7) ൌ75g 8) ൌ375ml/hr 9) ൌ37.5

Roundedupto38drops/min

10) ൌ66.6

Roundedupto67drops/min

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