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
LET - Maths Stats & Numeracy
This site has nursing calculation quizzes with answers that you can access Drug Calculations Practice 2 - Answers. 1) 0.27 mg. 2) 7600 mg. 3). 3 ml. 4). 0.8 ...
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.
C:\Documents and Settings\neilh\Local Settings\Temporary Internet Files\Content.Outlook\BA80LT24\Clinical calcs REVIEW
SESSION.doc
Prepared by: Janet Tweedy and Deb Mason, Nurse Educators, Department of Nursing, Christchurch Hospital, May 2000.
Canterbury Health Ltd.
Last updated June 2000.
1DRUG CALCULATIONS
When calculating how much of a drug is required, working with the formula helps the accuracy of the calculation.Always remember this formula:
What you want X Quantity it comes inWhat you have 1
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?
2. Gentamycin 360 mg is prescribed. Gentamycin is available as
80mg/2ml. How many mls will you draw up?
3. Haloperidol 3 mg IVI is charted. Haloperidol is available as 5mg/ml.
How many mls is required?
4. Frusemide 70mg IVI is charted. Stock dose is 20mg/ml. How many ml
would you give?C:\Documents and Settings\neilh\Local Settings\Temporary Internet Files\Content.Outlook\BA80LT24\Clinical calcs REVIEW
SESSION.doc
Prepared by: Janet Tweedy and Deb Mason, Nurse Educators, Department of Nursing, Christchurch Hospital, May 2000.
Canterbury Health Ltd.
Last updated June 2000.
2METRIC CONVERSIONS
Metric weights and measurements involve a step-by-step conversion from one unit to another. With weight we often convert to smaller (and more numerous units) thus:Kg gm mg mcg
grams milligrams micrograms Each of these steps involves the heavier unit being multiplied by 1000 to bring up the number of the smaller units for the same weight. kg g 1kg x 1000 = 1000g g mg 1g x 1000 = 1000mg mg mcg 1mg x 1000 = 1000mcg the right0.5g == ?? mg 0.5 x 1000 == 500mg
1 place = 5
2 places = 50
3 places = 500
If we are converting from a lighter unit to a heavier unit we move the decimal point three places to the left for each conversion. Another way of putting it is we divide by 1000. mcg mg 1000mcg1000 = 1mg
mg gm 1000mg1000 = 1gm
gm kg 1000gm1000 = 1kg
500mg = ?? gm 500
1000 = 0.5mg
1 place = 50
2 places = 5
3 places = 0.5
C:\Documents and Settings\neilh\Local Settings\Temporary Internet Files\Content.Outlook\BA80LT24\Clinical calcs REVIEW
SESSION.doc
Prepared by: Janet Tweedy and Deb Mason, Nurse Educators, Department of Nursing, Christchurch Hospital, May 2000.
Canterbury Health Ltd.
Last updated June 2000.
3Memory Tip:
Try these:
5. Atropine 0.6 mg = ?mcg
0.6 x 1000 = 600mcg
6. 0.01gm = ? mg
0.01 x 1000 = 10 mg
7. Gentamycin 360mg = ?gm
3601000 = 0.36gm
8. Digoxin 125mcg = ? mg
1251000 = 0.125mg
If we are moving across two conversions we repeat the process twice.For example from grams to micrograms:
3gm converted to micrograms
Step one:
= 3 x 1000 = 3000mgStep two:
3000mg x 1000 = 3,000,000mcg
9. Augmentin 1.2gm = ?mcg
1.2 x 1000 = 1200mg
1200 x 1000 = 1,200,000mcg
10. Digoxin 125mcg = ? gm
1251000 = 0.125mg
0.1251000 = 0.000125gm
C:\Documents and Settings\neilh\Local Settings\Temporary Internet Files\Content.Outlook\BA80LT24\Clinical calcs REVIEW
SESSION.doc
Prepared by: Janet Tweedy and Deb Mason, Nurse Educators, Department of Nursing, Christchurch Hospital, May 2000.
Canterbury Health Ltd.
Last updated June 2000.
4Try these:
Convert
11. 1.2 mg to mcg
12. 1.3g to mg
13. 500mcg to mg
14. 0.04 mg to mcg
15. 20mcg to mg
16. 600mcg to g
17. 2g to mcg
When we are converting volumes the process is the same.Litres
ml1 Litre
1000ml
0.25L 250ml375ml
0.375L
Try these:
Convert
18. 450ml to L
19. 64 ml to L
20. 4.3L to ml
C:\Documents and Settings\neilh\Local Settings\Temporary Internet Files\Content.Outlook\BA80LT24\Clinical calcs REVIEW
SESSION.doc
Prepared by: Janet Tweedy and Deb Mason, Nurse Educators, Department of Nursing, Christchurch Hospital, May 2000.
Canterbury Health Ltd.
Last updated June 2000.
5MG/KG DOSE CONVERSION
Often we need to check the dose of a drug or solution that is based We multiply the prescribed mg dose by the kg weight of the patientPrescribed dose - 25mg per kg
- 66kgWhat is the dose required?
25mg x 66kg = 1650mg
= 1.65g21. Prescribed dose 50 mg/kg
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