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Drug Calculations

It's OK to use a calculator! 1. A patient requires 4 mg of Morphine IVI. Morphine is available as. 10mg/ml. How many mls will you draw up 



Drug Dosage & IV Rates Calculations

formula and simplify. x 1 = 2 tablets. Therefore the nurse should give 2 tablets. The same formula can be used for dosage calculations where the medication is.



Common Drug Calculations Common Drug Calculations

2 Feb 2023 Two dosage calculation techniques are presented below: traditional formulas and dimensional analysis. Nurses should select one formula and ...



PRACTICE DRUG CALCULATIONS

How many mLs should you draw up to give this dose? 6. A patient weighing 60 kg is prescribed intravenous dopamine 4 micrograms/kg/minute. Calculate 



DRUG CALCULATIONS FOR NURSES DRUG CALCULATIONS FOR NURSES

Drug calculations part 1: a critique of the formula used by nurses. Nursing paediatric-formulary-9th-edition.pdf. Your local hospital pharmacy department ...



how to solve drug calculations

• Identify what type of drug calculation and as a first step use common sense to estimate a rough • After applying the formula (if relevant)



Drug Calculations Workbook Drug Calculations Workbook

The formula to calculate the concentrations of drug per ml. Amount of Drug (2005) 'Paediatric Nursing Calculation Skills'(online): http://hy.health.gov.il ...



LET - Maths Stats & Numeracy

2) A male patient weighs 90 kg and has been prescribed 1.5 mg/kg/dose of drug. X To calculate the time an infusion will run for



drug calculations for Registered Nurses

Calculations for these drugs are carried out in the same way as for mg per ml. Just make sure all units in the same equation match! Now try these examples:.



Drug Dosage & IV Rates Calculations

formula and simplify. x 1 = 2 tablets. Therefore the nurse should give 2 tablets. The same formula can be used for dosage calculations where the medication 



Drug Calculations

Prepared by: Janet Tweedy and Deb Mason Nurse Educators



drug-calculations-for-nurses-4th-ed-2016.pdf

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



Students

Remember that for intravenous infusion sometimes you are asked to calculate volume



Dosage Calculations Formulas for Calculating Medication Dosage

ADN 841: Nursing Seminar II. Learning Unit 3: Handout. Page 1 of 6. Dosage Calculations. This unit looks at drug calculations. It's important to remember 



Drug Calculations Workbook

Drug Calculations Workbook. Registered nurses & Operating department practitioners The formula to calculate the concentrations of drug per ml.



Medication Calculations - Nursing

dose as well as working with paediatric doses. When medication is injected. The formula to calculate the volume required for an injection is:.



Study Guide with Sample Questions: Dosage Calculation Competency

Applicants to the LPN-to-Associate Degree "Bridge"Nursing Program must document competency indosage calculation that is equivalent to the content covered in 



Drug calculation competencies ot graduate nurses

Introduction. The ability to accurately calculate a drug dosage is a fundamental clinical skill required of all registered nurses. There is.



Reducing nurse medicine administration errors

13 May 2015 medication error. 3Conceptual difficulties and poor numeracy skills can cause nurses to calculate dosages wrongly. 4Drug calculation.

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

quotesdbs_dbs2.pdfusesText_2
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