Full Description
Help your students learn to calculate dosages accurately with this easy-to-use pocket guide.Packed with real clinical examples and practice problems, Math for Nurses includes a review of basic math skills, measurement systems, and drug calculations/preparations, making it ideal for use in clinical settings or as a study aid. The book's step-by-step approach coupled with frequent examples that illustrate problem-solving helps students develop the knowledge and skills they need to calculate dosages effectively and improve the accuracy of drug delivery.Highlights of the 9th EditionComplete: This is the only dosage calculation pocket reference available today that covers the steps of drug preparation.Comprehensive: All methods of dosage calculations are used, including ratio, proportion, formula, and dimensional analysis.Hands-on: Practice problems throughout the text and end-of-chapter and end-of-unit review questions aid students' application and recall of materialPractical: A handy pull-out quick-reference card contains basic equivalents, conversion factors, and math formulas.Interactive: Virtual Chalkboard tutorials (followed by quizzes) solve problems step-by-step using three different methods with a voice over that explains each step.
Contents
UNIT 1Basic Mathematics Review and Refresher 11 Preassessment Test: Mathematics Skills Review 32 Fractions 9The Denominator of a Fraction 10The Numerator of a Fraction 12Concept of Size 13Types of Fractions and Value 15Equivalent or Equal Fractions 17Simplify or Reduce Fractions to Their Lowest Terms 18Find the Least Common Denominator 20Conversion 21Adding Fractions 24Adding Mixed Numbers 28Subtracting Fractions 29Subtracting Mixed Numbers 31Multiplying Fractions 36Dividing Fractions 38End of Chapter Review 423 Decimals 45Compare Decimal Values 49Adding Decimals 51Subtracting Decimals 52Multiplying Decimals 53Multiplying by 10, 100, or 1,000 55Dividing Decimals 55Dividing by 10, 100, or 1,000 57Changing Fractions to Decimals 60Changing Decimals to Fractions 61Rounding Off Decimals 62End of Chapter Review 644 Percents, Ratio, and Proportion 67Percent 68Fractions and Percents 69Decimals and Percents 72Ratio and Proportion 76Use of Ratio and Proportion: Solving for x 79End of Chapter Review 88End of Unit 1 Review 93UNIT 2Measurement Systems 975 The Metric, Household, and Apothecary Systems of Measurement 99The Metric System 100Meter-Length 102Liter-Volume 102Gram-Weight 102The Apothecary System 103Household Measurements 106Converting Within the Same System: Metric System 110Converting Within the Same Systems: Household andApothecary 113End of Chapter Review 1166 Approximate Equivalents and System Conversions 119Dosage Calculations: Converting Between Systems 120End of Chapter Review 125End of Unit 2 Review 128UNIT 3Dosage Calculations 1317 Medication Labels 134Interpreting a Medication Label 135End of Chapter Review 1428 Oral Dosage Calculations 145Calculating Oral Dosages 147Dosage Calculations for Medications in the Same System and the Same Unit of Measurement 156Dosage Calculations for Medications in the Same System but with Different Units of Measurement 160Dosage Calculations for Medications in Different Systems 163End of Chapter Review 1689 Parenteral Dosage Calculations 172Packaging, Syringes, and Needles 173Types of Injections 176Dosage Calculations for Medications in the Same System and the Same Unit of Measurement 177Dosage Calculations for Medications in the Same System but Having Different Units of Measurement 181Dosage Calculations for Medications in DifferentSystems 182Penicillin 184End of Chapter Review 18610 Intravenous Therapy 191Key Terms 192Intravenous Fluids 193Intravenous Infusion Sets and Lines 196Infusion Devices 198Calculate Intravenous Fluid Administration 199Calculate Infusion Time in Hours and Minutes 202Calculate Flow Rate in Milliliters per Hour for Gravity or Pump Infusions 203Calculate IV Drip Rate or Drops per Minute 206Constant Factors 210Intermittent Intravenous Administration 212End of Chapter Review 21811 Intravenous Therapies 221Calculate Flow Rate (Millilitersper Hour) When Dosage Is Known 223Calculate Dosage, per Hour or per Minute, When Flow Rate Is Known 228Titrate IV Fluids 233End of Chapter Review 23512 Insulin 242Insulin Preparation 243Types of Insulin 244Insulin Delivery Devices 247Insulin Administration 252Preparing Insulin for Injection 253Mixing Two Types of Insulin in One Syringe 254Continuous Intravenous Insulin Infusion 258End of Chapter Review 26013 Heparin Preparation and Dosage Calculations 264Heparin for Subcutaneous Injection 268Heparin for Intravenous Infusion 271Calculate Heparin Flow Rate (Milliliters per Hour) WhenUnits of Heparin per Hour Are Ordered 272Calculate Heparin Dosage (Units per Hour) When Heparin IsOrdered in Milliliters per Hour 275Heparin Administration Based on Weight 276Weight-Based Heparin Protocol 278End of Chapter Review 28314 Pediatric Dosage Calculations and IntravenousTherapy 289Weight Conversions 293Estimate Safe Total Daily Dosage 298Calculate Oral and Parenteral Dosages Based on BodyWeight (Milligrams per Kilogram) 300Estimate Body Surface Area 304Dosage Calculations Based on Body Surface Area 305Calculate Intravenous Flow Rate 312Calculate Intermittent Intravenous Medication Administration(Intravenous Piggyback [IVPB]) 314Calculate IV Push (IVP) Medications 320End of Chapter Review 32215 Solutions and Drug Reconstitution 330Ratio and Proportion 331Reconstitution: Preparing Injections Packaged asPowders 332Preparing an Oral or Enteral Feeding 338Preparing a Topical Irrigating Solution 340End of Chapter Review 341End of Unit 3 Review 343Answers 353AppendicesA. Roman Numerals 377B. Rounding Off Decimals 380C. Abbreviations for Drug Preparation andAdministration 382D. Intradermal Injections 386E. Subcutaneous Injections 388F. Intramuscular Injections 390G. Z-Track Injections 392H. Pediatric Intramuscular Injections 395I. Nursing Concerns for Pediatric DrugAdministration 397J. Nursing Considerations for Critical CareDrug Administration 399K. Nursing Considerations for MedicationAdministration for the Trauma Patient 401L. Nursing Concerns for Geriatric DrugAdministration 403M. Needleless Intravenous System 406N. Temperature Conversions: Fahrenheit andCelsius Scales 408Index 411
