Contributors and Consultants

iv

PART I

MATH BASICS

1

Fractions

3

2

Decimals and Percentages

27

3

Ratios, Fractions, Proportions, and Solving for X

49

4

Dimensional Analysis

71

PART II

MEASUREMENT SYSTEMS

5

Metric System

85

6

Alternative Measurement Systems

101

PART III

RECORDING DRUG ADMINISTRATION

7

Drug Orders

123

8

Administration Records

135

9

Preventing Drug Errors

145

PART IV

ORAL TOPICAL, AND RECTAL DRUGS

10

Calculating Oral Drug Dosages

169

11

Calculating Topical and Rectal Drug Dosages

201

PART V

PARENTERAL ADMINISTRATION

12

Calculating Parenteral Injections

215

13

Calculating I.V. Infusions

247

PART VI

SPECIAL CALCULATIONS

14

Calculating Pediatric Dosages

285

15

Calculating Obstetric Drug Dosages

313

16

Calculating Critical Care Dosages

329

APPENDICES AND INDEX

Practice Makes Perfect

348

Drug Therapy Conversions

368

Dosage Calculation Formulas

370

Glossary

371

Selected References

373

Index

374