# Math for Nurses: A Pocket Guide to Dosage Calculation and Drug Preparation

Lippincott Williams & Wilkins, 2009 - Medical - 368 pages

Now in its Seventh Edition, this pocket guide is a compact, portable, easy-to-use reference for dosage calculation and drug administration. The author uses a step-by-step approach with frequent examples to illustrate problem-solving and practical applications. Coverage includes review of mathematics, measurement systems, and a comprehensive section on dosage calculations.

Practice problems throughout the text and end-of-chapter and end-of-unit review questions will aid students' application and recall of material. A handy pull-out card contains basic equivalents, conversion factors, and math formulas.

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### Contents

 Basic Mathematics Review and Refresher 1 Preassessment Test Mathematics Skills Review 3 Common Fractions 10 The Denominator of a Fraction 11 The Numerator of a Fraction 13 Concept of Size 14 Types of Fractions and Value 16 Equivalent or Equal Fractions 18
 Packaging and Types of Syringes 168 Dosage Calculations for Medications in the Same System and the Same Unit of Measurement 171 Dosage Calculations for Medications in the Same System but Having Different Units of Measurement 174 Dosage Calculations for Medications in Different Systems 176 Penicillin 177 Intravenous Therapies 184 Electronic Infusion Devices 187 Intravenous Fluids 188

 Simplifying or Reducing Fractions to Lowest Terms 20 Finding the Least Common Denominator LCD 22 Conversion 24 Addition of Fractions 27 Addition of Mixed Numbers 31 Subtraction of Fractions 32 Subtraction of Mixed Numbers 34 Multiplication of Fractions 38 Division of Fractions 40 Decimals 46 Comparing Decimal Values 50 Addition of Decimals 51 Subtraction of Decimals 53 Multiplication of Decimals 54 Multiplication by 10 100 or 1000 55 Division of Decimals 56 Division by 10 100 or 1000 58 Changing Fractions to Decimals 60 Changing Decimals to Fractions 62 Rounding Off Decimals 63 Percent Ratio and Proportion 66 Percents 67 Fractions and Percents 68 Decimals and Percents 72 Ratio and Proportion 75 Solving for x 78 End of Unit 1 Review 87 Measurement Systems 95 The Metric System 97 Common Rules for Metric Notations 98 Meter Length 99 Converting Within the System 100 Liter Volume 102 Gram Weight 103 The Apothecary System and Household Measurements 107 The Apothecary System 108 Household Measurements 110 Converting Within the Same System 115 Approximate Equivalents and System Conversions 120 Converting Between Systems 123 End of Unit 2 Review 127 Dosage Calculations 133 Medication Labels 136 Reading and Interpreting a Drug Label 137 Oral Dosage Calculations 147 Calculating Oral Dosages 148 Dosage Calculations for Medications in the Same System and the Same Unit of Measurement 152 Dosage Calculations for Medications in the Same System but With Different Units of Measurement 155 Dosage Calculations for Medications in Different Systems 157 Parenteral Dosage Calculations 167
 Intravenous Flow Rate 189 Calculating Infusion Time 191 Calculating Milliliters Per Hour for Manual or Electronic Regulation 193 Calculating Milliliters Per Hour for Manual or Electronic Regulation When the Infusion is Less Than 1 Hour 194 Calculating Drops Per Minute 195 Constant Factors 200 Intravenous Therapies CriticalCare Applications 207 Calculating Drug Dosages and Flow Rates Using Either Ratio and Proportion or the Formula Method 208 Calculating Drug Dosages and Flow Rates Using Dimensional Analysis 213 Calculating Flow Rates and Drug Dosage Using Constant Factors 215 Insulin 223 Types of Insulin 224 Insulin Preparations 225 Insulin Syringes 227 Insulin Administration 228 Mixing Two Types of Insulin 229 Heparin Preparation and Dosage Calculations 237 Calculate Heparin for Subcutaneous Injection 239 Calculate Heparin for Intravenous Infusion 242 Calculate Milliliters per Hour 245 Calculate Units per Hour 247 Calculating WeightBased Heparin 248 Pediatric Dosage Calculations and Intravenous Therapy 255 Converting Weight in Pounds to Kilograms 257 Calculate Oral and Parenteral Dosages 258 Calculate Dosages Using Rule Based on Age 262 Calculate Pediatric Flow Rate 273 Calculate Intravenous Medication Dosages 274 Solutions 285 Preparing Injectable Medications Packaged as Powders 287 Preparing an Oral or Enteral Feeding 291 Preparing Topical and Irrigating Solutions 292 End of Unit 3 Review 294 Answers 303 Roman Numerals 329 Rounding Off Decimals 332 Abbreviations and Symbols for Drug Preparation and Administration 334 Intradermal Injections 338 Subcutaneous Injections 340 Intramuscular Injections 342 ZTrack Injections 344 Pediatric Intramuscular Injections 347 Nursing Concerns for Pediatric Drug Administration 349 Nursing Considerations for CriticalCare Drug Administration 351 Nursing Concerns for Geriatric Drug Administration 353 Needleless Intravenous System 356 Temperature Conversions Fahrenheit and Celsius Scales 358 Index 361 Copyright

### References to this book

 Basic NursingNo preview available - 2003