1. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. Chapter 8 Hypodermic Syringe Measurement

2. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. Syringe Volume Sizes 0.5 mL 1 mL 3 mL 5 mL 10 mL 20 mL 60 mL

3. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. Syringe Calibrations Regardless of syringe’s volume, calibrated in milliliters –Except specialized insulin syringes

4. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. How to Read a Syringe From top/front ring of plunger’s suction tip First long calibration always zero

5. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. 3 mL Syringes Most common Should be calibrated using metric unit mL –Some still include calibrations in cubic centimeter (cc) Essentially identical to mL

6. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. 3 mL Syringes Delmar/Cengage Learning

7. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. 3 mL Syringes Shorter calibration marks indicate tenths of a mL Longer calibration marks indicate ½, 1, 1½, 2, 2½, and 3 mL Tenths of a mL written as decimal fractions –e.g., 0.1 mL, 0.6 mL, 0.9 mL

8. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. 3 mL Syringes What is the volume of medication in the syringe? Delmar/Cengage Learning

9. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. Safety Syringes Developed to decrease risk of accidental, contaminated needle sticks Variety currently manufactured Most health care facilities use some brand Become familiar with type used in local clinical facility

10. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. Tuberculin (TB) Syringes Most common volume 1 mL Calibrated in hundredths –Noted by shorter calibration marks Each tenth calibration mark has Arabic number printed on syringe barrel –e.g.,.1,.2,.3, etc. –Noted by longer calibration marks

11. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. TB Syringes Delmar/Cengage Learning

12. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. TB Syringes What is the volume of medication in the syringe? Delmar/Cengage Learning

13. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. Larger Volume Syringes Most common: –5 mL –10 mL –20 mL –60 mL

14. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. Larger Volume Syringes Shorter calibration marks located on 5 mL and 10 mL syringes measure 0.2 mL Longer calibration marks measure 1 mL

15. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. 5 mL Syringe Delmar/Cengage Learning

16. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. 10 mL Syringe Delmar/Cengage Learning

17. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. 10 mL Syringe What is the volume of medication in the syringe? Delmar/Cengage Learning

18. Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. Larger Syringes Syringes larger than 10 mL calibrated in full mL measures