This bestselling pocketbook makes calculating medicine easy. Now in its tenth edition, it has been revised as a practical guide to rapid and accurate drug calculations for all health professionals who prescribe, supply and administer medication. Gatford’s Drugs Calculations supports the fundamental mathematical skills needed on the wards, then goes further to provide context and tips for application. With examples taken from everyday practice, readers will learn calculations for administering injections, tablets and mixtures, intravenous infusions, and safe dosages for children and the elderly. Not only will this essential aid boost your healthcare numeracy and confidence, the skills you develop will ensure patient safety when calculating drugs for which you are responsible and accountable in future.
1. Cover image - p. cover 2. Title page - p. iii 3. Table of Contents - p. v 4. Copyright - p. iv 5. Preface to the Tenth Edition - p. vi 6. Preface to the First Edition - p. vii 7. Acknowledgements - p. viii 8. Useful abbreviations - p. ix 9. Formulae used in this book - p. x 10. 1. Forms of medications for calculation and administration - p. 1 11. 2. A review of relevant calculations - p. 10 12. 1. Mathematical terms - p. 12 13. 2. Diagnostic test - p. 15 14. 3. Multiplication by 10, 100 and 1000 - p. 19 15. 4. Division by 10, 100 and 1000 - p. 21 16. 5. Converting units - p. 24 17. 6. Comparing measurements - p. 27 18. 7. Multiplication of decimals - p. 29 19. 8. Factors - p. 32 20. 9. Simplifying fractions I - p. 34 21. 10. Simplifying fractions II - p. 37 22. 11. Simplifying fractions III - p. 39 23. 12. Simplifying fractions IV - p. 41 24. 13. Rounding off decimal numbers - p. 44 25. 14. Fraction to a decimal I - p. 46 26. 15. Fraction to a decimal II - p. 49 27. 16. Fraction to a decimal III - p. 51 28. 17. Mixed numbers and improper fractions - p. 53 29. 18. Multiplication of fractions - p. 56 30. 19. Multiplication of a fraction by a whole number - p. 59 31. 20. 24-Hour time - p. 61 32. 24-Hour time - p. 63 33. 3. Dosage calculations for solid medications - p. 64 34. 4. Dosage calculations for liquid medications - p. 80 35. 5. Dosage calculations for infused medications - p. 115 36. 6. Paediatric dosages - p. 146 37. 7. Case scenario: the life of Maisy - p. 172 38. 8. Answers - p. 193 39. Chapter 2: A review of relevant calculations - p. 193 40. Chapter 3: Dosages calculations for solid medications - p. 204 41. Chapter 4: Dosages calculations for liquid medications - p. 207 42. Chapter 5: dosage calculations for infused medications - p. 211 43. Chapter 6: paediatric dosages - p. 215 44. Chapter 7: case scenario: the life of Maisy - p. 217 45. Index - p. 221 46. Card insert - p. 225
This bestselling pocketbook makes calculating medicine easy. Now in its tenth edition, it has been revised as a practical guide to rapid and accurate drug calculations for all health professionals who prescribe, supply and administer medication. Gatford’s Drugs Calculations supports the fundamental mathematical skills needed on the wards, then goes further to provide context and tips for application. With examples taken from everyday practice, readers will learn calculations for administering injections, tablets and mixtures, intravenous infusions, and safe dosages for children and the elderly. Not only will this essential aid boost your healthcare numeracy and confidence, the skills you develop will ensure patient safety when calculating drugs for which you are responsible and accountable in future.
1. Cover image - p. cover 2. Title page - p. iii 3. Table of Contents - p. v 4. Copyright - p. iv 5. Preface to the Tenth Edition - p. vi 6. Preface to the First Edition - p. vii 7. Acknowledgements - p. viii 8. Useful abbreviations - p. ix 9. Formulae used in this book - p. x 10. 1. Forms of medications for calculation and administration - p. 1 11. 2. A review of relevant calculations - p. 10 12. 1. Mathematical terms - p. 12 13. 2. Diagnostic test - p. 15 14. 3. Multiplication by 10, 100 and 1000 - p. 19 15. 4. Division by 10, 100 and 1000 - p. 21 16. 5. Converting units - p. 24 17. 6. Comparing measurements - p. 27 18. 7. Multiplication of decimals - p. 29 19. 8. Factors - p. 32 20. 9. Simplifying fractions I - p. 34 21. 10. Simplifying fractions II - p. 37 22. 11. Simplifying fractions III - p. 39 23. 12. Simplifying fractions IV - p. 41 24. 13. Rounding off decimal numbers - p. 44 25. 14. Fraction to a decimal I - p. 46 26. 15. Fraction to a decimal II - p. 49 27. 16. Fraction to a decimal III - p. 51 28. 17. Mixed numbers and improper fractions - p. 53 29. 18. Multiplication of fractions - p. 56 30. 19. Multiplication of a fraction by a whole number - p. 59 31. 20. 24-Hour time - p. 61 32. 24-Hour time - p. 63 33. 3. Dosage calculations for solid medications - p. 64 34. 4. Dosage calculations for liquid medications - p. 80 35. 5. Dosage calculations for infused medications - p. 115 36. 6. Paediatric dosages - p. 146 37. 7. Case scenario: the life of Maisy - p. 172 38. 8. Answers - p. 193 39. Chapter 2: A review of relevant calculations - p. 193 40. Chapter 3: Dosages calculations for solid medications - p. 204 41. Chapter 4: Dosages calculations for liquid medications - p. 207 42. Chapter 5: dosage calculations for infused medications - p. 211 43. Chapter 6: paediatric dosages - p. 215 44. Chapter 7: case scenario: the life of Maisy - p. 217 45. Index - p. 221 46. Card insert - p. 225
