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
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 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
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.
WORKSHOPS & TUTORIALS:
http://tiny.cc/ldubookingVIDEOS:
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 quizzesEMAIL:
numeracy@mdx.ac.uk /(70DWKV6WDWV1XPHUDF\ numeracy@mdx.ac.ukPage2123456789101112
2468101214161820 2224
3912151821242730 3336
416202428323640 4448
5253035404550 5560
63642485460 6672
749566370 7784
8647280 8896
98190 99108
10100 110120
11121132
12144BIG to small multiply (x) Small to BIG divide (÷)
TomultiplybyMovethedecimalpoint
10003placestotheright
1002placestotheright
101placetotheright
0.3824x1000=382.4
0.3824x100=38.24
0.3824x10=3.824
TodividebyMovethedecimalpoint
10003placestotheleft
1002placestotheleft
101placetotheleft
5713÷1000=5.713
5713÷100=57.13
5713÷10=571.3
x1000x1000 x1000Kilogram
kg Gram gMilligram
mgMicrogram
mcg :1000:1000:1000 x 2 x 2 : 2 : 2 : 2 : 2 x 2 x 2 1000500
250
125
62.5
Volumeൌ
TotalDailyDose=patient'sweightxdose
Single
Doseൌ
DOSAGE
BASEDONBODYWEIGHT
mL/hr ൌ drop/min ൌINFUSION RATES /(70DWKV6WDWV1XPHUDF\
numeracy@mdx.ac.ukPage3 EasyHalvingfractions
well 'school type'division.Here'sanexamplethatworkswell
125Here'sanexamplethatdoesn'twork
whynot?Doublingfractions
number workwithnicewholenumbers.Here'sanexamplethatworkswell
5Here'sanexamplethatdoesn'twork
whynot? /(70DWKV6WDWV1XPHUDF\ numeracy@mdx.ac.ukPage41placetotheright.
Here'sanexample
=0.75Hereare2exampleswhereyoucanmultiplyby100
=3Usingapproximations
whetheryouransweris'sensible'.Here'sanexample
318.75ൊ1.97
anapproximateanswer320÷2=160
Thisisthe'roughguide'toyourcalculation.
knowHere'sanotherexample
0.45x500
Round0.45to0.5andrememberthat0.5isahalf(
Halfof500=250
Theactualansweris225NOT2.5or25.
Alwayscheckthedecimalpoint.
/(70DWKV6WDWV1XPHUDF\ numeracy@mdx.ac.ukPage5EquationsforInfusionRates,TimeandVolume
(mlperhour) infusion(hours).Example:
hour? R= longwillthisinfusiontake? T= =hours125ml/hour.Howmuchfluidhasbeeninfused?
V=RxT=
x =ml 125x8=1000ml=1Litre /(70DWKV6WDWV1XPHUDF\ numeracy@mdx.ac.ukPage6
InfusionRates
When thedropfactoris15wehave... When thedropfactoris20wehave... /(70DWKV6WDWV1XPHUDF\ numeracy@mdx.ac.ukPage7 DrugCalculationsPractice1
1) Youhave450mcgofDigoxin,howmanymgisthis?
2) Howmanymicrogramsaretherein0.06milligrams?
3) Thedoctorprescribes500mgofFlucloxacillin.Thebottle
youhavecontains200mgin1ml.Howmanymldoyou give?4) 1.5gofParacetamolisprescribed.Thedrugisavailablein
500mgtablets.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.ukPage8DrugCalculationsPractice1ͲAnswers
1)0.45mg
2) 60mcg3) ൌ2.5ml 4)
1.5g=1500mg
ൌ3tablets 5)70x6=420mg
6)20x80=1600and
ൌ400mg 7) ൌ75g 8) ൌ375ml/hr 9) ൌ37.5Roundedupto38drops/min
10) ൌ66.6Roundedupto67drops/min
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