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Drug Calculations for Nurses: A step-by-step approach, Fourth Edition 4th New edition [Minkštas viršelis]

4.26/5 (23 ratings by Goodreads)
(Clinical Pharmacist, Houghton Le Spring, UK)
  • Formatas: Paperback / softback, 334 pages, aukštis x plotis: 198x129 mm, weight: 408 g, 52 Tables, black and white; 52 Illustrations, black and white
  • Išleidimo metai: 05-Jun-2015
  • Leidėjas: Apple Academic Press Inc.
  • ISBN-10: 148224845X
  • ISBN-13: 9781482248456
Kitos knygos pagal šią temą:
  • Formatas: Paperback / softback, 334 pages, aukštis x plotis: 198x129 mm, weight: 408 g, 52 Tables, black and white; 52 Illustrations, black and white
  • Išleidimo metai: 05-Jun-2015
  • Leidėjas: Apple Academic Press Inc.
  • ISBN-10: 148224845X
  • ISBN-13: 9781482248456
Kitos knygos pagal šią temą:
The administration of drug treatments in hospitals has become increasingly complex. It sometimes involves potent drugs that may be fatal if administered incorrectly. The ability to perform drug calculations accurately is therefore paramount to prevent placing patients at risk.



Drug Calculations for Nurses: A Step-by-Step Approach teaches healthcare professionals how to perform drug calculations with confidence and competence. It provides step-by-step guidance to carry out accurate drug calculations, with units and drug strengths clearly explained.



This bestselling pocket-size book begins with the basic mathematical skills required to perform calculations, including tips on estimating answers. It then covers drug strengths and concentrations, dosage calculations, IV infusion therapies, and pharmacodynamics and pharmacokinetics. Two separate chapters focus on children and the elderly, addressing specific challenges encountered in these populations.



Helpful worked examples, key points, and objectives are included in every chapter. Useful tables with common prescription abbreviations, estimation of renal function, and body surface area estimates are easily accessible through the appendices.



This new edition comes with an online pre-test enabling readers to benchmark their knowledge. Specific weaknesses can then be identified and addressed in the printed book. Also included is a revision test that allows readers to assess their ability to perform drug calculations after completing the book.

Recenzijos

"covers everything nurses need to know to administer medications The step-by-step approach includes examples of how to work problems. In addition, there are practice tests online, as well as tips and key points to help students understand math concepts. Some pharmacological concepts are also covered, such as pharmacodynamics and pharmacokinetics." Carol Agana, MNSc, CNP, APRN, University of Arkansas in Doodys Book Reviews

Preface xi
How to use this book xiii
Before we start xv
Pre-test xix
Part I Mathematics
1(86)
1 Basics
3(30)
Introduction
5(1)
Arithmetic symbols
6(1)
Basic maths
6(9)
Rules of arithmetic
15(2)
Fractions and decimals
17(13)
Roman numerals
30(1)
Powers or exponentials
31(2)
2 First principles
33(8)
Sense of number and the use of calculators or formulae
33(1)
Estimation of answers
34(1)
The `one unit' rule
35(2)
Checking your answer -- does it seem reasonable?
37(1)
Putting it all together
38(1)
Minimizing errors
39(2)
3 Per cent and percentages
41(14)
Introduction
42(1)
Per cent and percentages
42(1)
Converting fractions to percentages and vice versa
43(1)
Converting decimals to percentages and vice versa
43(1)
Calculations involving percentages
44(4)
Drug calculations involving percentages
48(3)
How to use the per cent key on your calculator
51(4)
4 Units and equivalences
55(10)
Introduction
56(1)
SI units
56(1)
Prefixes used in clinical practice
57(1)
Equivalences
58(1)
Conversion from one unit to another
59(3)
Guide to writing units
62(3)
5 Moles and millimoles
65(8)
Introduction
66(1)
What are moles and millimoles?
66(1)
Millimoles and micromoles
67(6)
6 Drug strengths or concentrations
73(14)
Introduction
74(1)
Percentage concentration
75(2)
mg/mL concentrations
77(3)
`I in ...' concentrations or ratio strengths
80(1)
Parts per million (ppm)
81(2)
Drugs expressed in units
83(4)
Part II Performing calculations
87(42)
7 Dosage calculations
89(18)
Introduction
90(1)
Calculating the number of tablets or capsules required
90(3)
Drug dosages based on patient parameters
93(3)
Ways of expressing doses
96(1)
Calculating drug dosages
97(4)
Displacement values or volumes
101(2)
Prescriber calculations
103(4)
8 Infusion rate calculations
107(22)
Introduction
108(1)
Drip rate calculations (drops/min)
109(3)
Conversion of dosages to mL/hour
112(9)
Conversion of mL/hour back to a dose
121(3)
Calculating the length of time for IV infusions
124(5)
Part III Administering medicines
129(82)
9 Intravenous therapy and infusion devices
131(20)
IV infusion therapy
133(7)
Answers
140(4)
Infusion devices
144(4)
Infusion device classification
148(3)
10 Action and administration of medicines
151(28)
Action and administration of medicines
152(1)
Introduction
153(1)
Pharmacokinetics and pharmacodynamics
154(13)
Administration of medicines
167(8)
Promoting the safer use of injectable medicines
175(4)
11 Children and medicines
179(14)
Introduction
180(1)
Drug handling in children
181(2)
Pharmacodynamics
183(1)
Routes of administration of drugs
183(2)
Practical implications
185(5)
Useful reference books
190(1)
Approximate values useful in the calculation of doses in children
190(3)
12 The elderly and medicines
193(8)
Introduction
194(1)
Drug handling in the elderly
194(3)
Specific problems in the elderly
197(1)
General principles
198(3)
13 Sources and interpretation of drug information
201(10)
Introduction
201(1)
Sources of drug information
202(1)
The internet
203(1)
Summary of product characteristics (SPC)
204(7)
Revision test
211(8)
Section one Basics
211(1)
Per cent and percentages
212(1)
Units and equivalences
212(1)
Drug strengths or concentrations
213(1)
Dosage calculations
213(1)
Infusion rate calculations
214(1)
Compare your scores
215(1)
Answers to problems
216(3)
Answers to problems set in chapters
219(60)
3 Per cent and percentages
220(2)
4 Units and equivalences
222(1)
5 Moles and millimoles
223(4)
6 Drug strengths or concentrations
227(1)
7 Dosage calculations
228(22)
8 Infusion rate calculations
250(28)
10 Action and administration of medicine
278(1)
Appendices
279(20)
1 Body surface area (BSA) estimates
281(2)
2 Weight conversion tables
283(2)
3 Height conversion tables
285(2)
4 Calculation of body mass index (BMI)
287(8)
5 Estimation of renal function
295(2)
6 Abbreviations used in prescriptions
297(2)
Index 299
Robert Lapham, BPharm, Clin Dip Pharm, clinical pharmacist, Sunderland, UK