Dosage Calculations Made Incredibly Easy! / Edition 4

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Now in its Fourth Edition, Dosage Calculations Made Incredibly Easy! contains everything health care practitioners need to review and students need to learn about calculating drug dosages. This entertaining and informative reference reviews the basic math needed to perform dosage calculation, including fractions, decimals, percentages, ratios, and proportions. It walks the nurse through the interpretation of hundreds of examples of drug orders and the performance of hundreds of complex dosage calculations, and provides information on deciphering difficult abbreviations, dealing with unclear handwriting, reading medication labels, selecting administration equipment, and more. Special elements found throughout the book make it easy to remember key points.

Purchasers of this edition will also have access to the newest information on drugs at

The thoroughly updated Third Edition of this practical, entertaining reference is a complete and clear guide to calculating drug dosages. After reviewing basic math, the book shows nurses how to interpret hundreds of sample drug orders and perform hundreds of complex dosage calculations. Abundant illustrations and checklists help readers remember key points. This edition includes NCLEX(R)-style questions throughout the text, a new chapter on preventing medication errors, and an expanded chapter applying dimensional analysis to practical dosage calculation problems. The expanded Practice Makes Perfect section includes alternate-format NCLEX(R)-style questions. Readers can access up-to-the-minute drug information at

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Editorial Reviews

Doody's Review Service
Reviewer: Kathryn Kushto-Reese, MS, RN (Johns Hopkins University School of Nursing)
Description: This book delivers what it claims, math dosage calculations made simple. The illustrations, quizzes, and graphics are unique and helpful.
Purpose: The author's purpose is to simplify math as it relates to dosage calculations and to introduce the reader to the real world of nursing and medication administration. The objectives of this book are most worthy. The author emphasizes the responsibility related to safe dosage calculations in nursing, something that is absolutely necessary today. The author meets the objectives.
Audience: According to the author, this book is written for students and practitioners who want to gain confidence and administer medications safely. In my opinion, this book is appropriate for anyone, student or practitioner, who is conscientious about improving their dosage skills and being a safe nurse.
Features: The book covers many basic math skills, medication administration techniques, abbreviations, avoidance of dosage errors, actual drug orders, and helpful hints to avoid mistakes. It also covers many general and specialty areas. Pediatrics is well covered, and this is one of the only books to address safe/recommended doses for children. The illustrations, dosage labels and medication tools are very helpful. The actual hospital records and logos are unique. The tables and quizzes are helpful and create a very real picture for the student or novice nurse. The use of humor is an excellent ice breaker for people who fear math.
Assessment: This book is concise and detailed in its step-by-step approach. It addresses the difficulties that practitioners and students have with dosage calculations. Other books I have used (Chernecky et al.'s Real-World Nursing Survival Guide: Drug Calculations and Administration (W. B. Saunders, 2002) and Gray's Calculate with Confidence 2nd edition (Mosby, 1998)) are not as detailed and helpful, especially for those who are not confident of their math skills. Because it is important to update new information about medications that changes very rapidly, the new edition is justified.

3 Stars from Doody
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Product Details

  • ISBN-13: 9781605471976
  • Publisher: Lippincott Williams & Wilkins
  • Publication date: 1/1/2009
  • Series: Incredibly Easy! Series
  • Edition description: Fourth
  • Edition number: 4
  • Pages: 384
  • Sales rank: 287,604
  • Product dimensions: 7.40 (w) x 9.30 (h) x 1.20 (d)

Table of Contents

Contributors and consultants

Not another boring foreword

  • Part I Math basics

  • 1 Fractions
  • 2 Decimals and percentages
  • 3 Ratios, fractions, proportions, and solving for X
  • 4 Dimensional analysis
  • Part II Measurement systems

  • 5 Metric system
  • 6 Alternative measurement systems
  • Part III Recording drug administration

  • 7 Drug orders
  • 8 Administration records
  • 9 Preventing medication errors
  • Part IV Oral, topical, and rectal drugs

  • 10 Calculating oral drug dosages
  • 11 Calculating topical and rectal dosages
  • Part V Parenteral administrations

  • 12 Calculating parenteral injections
  • 13 Calculating I.V. infusions
  • Part VI Special calculations

  • 14 Calculating pediatric dosages
  • 15 Calculating obstetric dosages
  • 16 Calculating critical care dosages

Appendices and Index

Practice makes perfect

Table of conversions

Summary of dosage calculation formulas


Selected references

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Customer Reviews

Average Rating 5
( 1 )
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Sort by: Showing all of 2 Customer Reviews
  • Anonymous

    Posted February 10, 2012

    Dosage Calculations

    Easy to understand.

    0 out of 1 people found this review helpful.

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  • Anonymous

    Posted April 19, 2012

    No text was provided for this review.

Sort by: Showing all of 2 Customer Reviews

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