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Drug Calculations 2nd Edition: A Step-by-Step Approach 2nd New edition [Minkštas viršelis]

3.60/5 (20 ratings by Goodreads)
  • Formatas: Paperback / softback, 272 pages, aukštis x plotis: 198x129 mm, 8 2 col line & cartoons
  • Išleidimo metai: 29-Aug-2003
  • Leidėjas: Hodder Arnold
  • ISBN-10: 0340810289
  • ISBN-13: 9780340810286
Kitos knygos pagal šią temą:
  • Formatas: Paperback / softback, 272 pages, aukštis x plotis: 198x129 mm, 8 2 col line & cartoons
  • Išleidimo metai: 29-Aug-2003
  • Leidėjas: Hodder Arnold
  • ISBN-10: 0340810289
  • ISBN-13: 9780340810286
Kitos knygos pagal šią temą:
As nurses gain greater responsibility and nurse practitioners become a larger group the pressure on nurses to prescribe accurately and independently increases. At the same time the general view among lecturers is that students of medicine as well as of nursing are arriving at university with increasingly poor basic maths skills, and this is also said to apply to pharmacy students. Students need a practical course textbook that will take them through into the start of their clinical work as a companion to drug prescribing, preparation and delivery.





This is the second edition of this pocket-sized introductory guide to performing drug calculations accurately and confidently. Compiled by a pharmacist and a nurse, the book combines the essential theory of pharmacology with the implications for professional practice. It moves from explanations of the simple through to complex formulae relating to the many drugs used today, and includes worked examples plus problems for self-assessment. Unlike many of its competitors, it includes intravenous administration of drugs.





New for the second edition:





* moves away from hospital bias to include more community issues e.g patient controlled analgesia, and examples; 'how to use this book' completely rewritten

* includes more examples of problems and presents the answers separately so they can be used for self-assessment

* greatly improved presentation, including 2-colour text design
Preface vi
How to use this book vii
Drug names viii
Pre-test 1(8)
Basics
1(1)
Units and equivalences
2(1)
Dosage calculations
3(1)
Percent and percentages
4(1)
Moles and millimoles
4(1)
Drug strengths or concentrations
4(1)
Infusion rate calculations
5(1)
Paediatric calculations
6(1)
Answers
6(3)
1 Basics 9(28)
Objectives
9(1)
Arithmetic symbols
9(1)
Rules of arithmetic
10(2)
Fractions and decimals
12(8)
Roman numerals
20(1)
Powers or exponentials
21(2)
Using a calculator
23(4)
Estimating answers
27(5)
Measuring liquids
32(2)
Key points
34(3)
2 Units and equivalences 37(9)
Objectives
37(1)
SI units
37(2)
Equivalences
39(1)
Converting from one unit to another
40(1)
How to write units
41(3)
Problems
44(1)
Answers to problems
44(1)
Key points
45(1)
3 Dosage calculations 46(15)
Objectives
46(1)
Calculating the number of tablets or capsules required
46(2)
Problems
48(1)
Calculating drug dosages based on body weight or surface area
48(1)
Problems
49(1)
Calculating divided doses
49(2)
Calculating drug dosages
51(3)
Checking your answer - does it seem reasonable?
54(2)
Problems
56(1)
Answers to problems
57(3)
Key points
60(1)
4 Percent and percentages 61(15)
Objectives
61(1)
Percent and percentages
61(1)
Converting fractions to percentages and vice versa
62(1)
Converting decimals to percentages and vice versa
62(1)
Calculations involving percentages
63(3)
Problems
66(1)
Drug calculations involving percentages
66(3)
Problems
69(1)
How to use the percentage key on your calculator
69(3)
Answers to problems
72(2)
Key points
74(2)
5 Moles and millimoles 76(17)
Objectives
76(1)
What are moles and millimoles?
76(3)
Calculations involving moles and millimoles
79(2)
Conversion of milligrams (mg) to millimoles (mmol)
81(3)
Problems
84(1)
Conversion of percentage strength (% w/v) to millimoles (mmol)
85(1)
Problems
86(1)
Answers to problems
87(5)
Key points
92(1)
6 Drug strengths or concentrations 93(26)
Objectives
93(1)
Percentage concentration
94(3)
Problems
97(1)
Concentrations in mg/ml
97(3)
Problems
100(1)
'1 in ...' concentrations or ratio strengths
100(1)
Problems
101(1)
Drugs measured in units: heparin and insulin
101(7)
Problems
108(1)
Molar solutions and molarity
108(4)
Problems
112(1)
Answers to problems
112(5)
Key points
117(2)
7 Infusion rate calculations 119(28)
Objectives
119(1)
Calculating drip rates in drops/min
119(3)
Problems
122(1)
Converting dosages to mL/hour
122(3)
Problems
125(2)
Converting mL/hour to dosages
127(3)
Problems
130(1)
Calculating the length of time for intravenous (IV) infusions
131(3)
Problems
134(1)
Answers to problems
135(10)
Key points
145(2)
8 Infusion devices 147(10)
Objectives
147(1)
Infusion pumps
147(2)
Classification of infusion devices
149(2)
Syringe drivers
151(4)
Key points
155(2)
9 Paediatric dosage calculations 157(19)
Objectives
157(1)
Drug use in paediatrics
157(1)
Dosing in paediatrics
158(1)
Calculating dosages
159(5)
Useful approximate values
164(1)
Displacement values or volumes
164(4)
Administration routes for drugs
168(2)
Useful reference books
170(1)
Problems
170(2)
Answers to problems
172(3)
Key points
175(1)
10 Interpretation of drug information 176(22)
Objectives
176(1)
Summary of product characteristics (SPC)
176(9)
Package insert
185(4)
Key points
189(1)
Revision test
190(1)
Basics
190(1)
Units and equivalences
191(1)
Dosage calculations
191(1)
Percent and percentages
192(1)
Moles and millimoles
192(1)
Drug strengths or concentrations
193(1)
Infusion rate calculations
193(1)
Paediatric dosage calculations
194(1)
Answers
195(3)
Appendices 198(27)
1 Preparation of solutions (dilutions)
198(4)
2 Preparation of powders
202(6)
3 Body surface area estimates
208(5)
4 Body mass index (BMI)
213(5)
5 Estimation of renal function
218(2)
6 Abbreviations used in prescriptions
220(3)
7 Weight and height conversion tables
223(2)
Index 225


Robert Lapham B.Pharm, Clin Dip Pharm, MRPharmS Clinical Pharmacist, Sunderland Royal Hospital, City Hospitals Sunderland NHS Trust, UK

Heather Agar RGN BSc (Hons) Rheumatology Specialist Nurse, Northumbria healthcare NHS Trust, UK