Chapter 6 Equipment Used in Dosage Measurement Copyright
- Slides: 28
Chapter 6 Equipment Used in Dosage Measurement Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
Medication Equipment for Dosage Measurement Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
Equipment Used in Dosage Calculations GOALS: • Recognize & select appropriate equipment for the medication, dosage, and method of administration ordered. • Read and interpret the calibrations of each utensil presented Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
Medicine Cup • May include metric, household, and apothecary measures – 30 milliliters = 1 ounce – 5 milliliters = 1 teaspoon – 15 milliliters = 1 tablespoon The medicine cup is a great study aid to help you learn the volume equivalents of the three systems of measurement. Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
Medicine Cup © Cengage Learning 2016 Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
Calibrated Dropper • Useful in: – – – Medicating children and elderly Adding small quantities to liquid Administering small quantities Dispensing eye and ear medications Abbreviated gtt Rule Never exchange packaged droppers between medications, because drop size varies from one dropper to another. Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
Pediatric Calibrated Oral Devices • Used with oral medications for children – Do not use syringes intended for injections when administering oral medications • Teach caregivers to use devices correctly • Oral syringes do not have Luer-lock hub – Have cap on tip Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
Pediatric Oral Devices © Cengage Learning 2016 Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
Parenteral Medication Administration • Used to identify route of administration by injection • Includes syringes and intravenous (IV) catheters • Must use principles of rounding to ensure safety Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
Oral and Parental Syringes • Oral may be distinguished from parental syringes in two ways: – Syringes indicated for oral typically do not have a Luerlock hub – Usually have a cap that must be removed before the medication can be administered • Syringes intended for parenteral use have a Luer-lock hub that allows a needle to be secured tightly. Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
Luer Lock Syringe Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
Comparison of syringes: Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
Luer lock Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
3 m. L Syringe © Cengage Learning 2016 Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
3 m. L Syringe Luer-lock syringe hub Needle Barrel Plunger Rubber plunger tip © Cengage Learning 2016 Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
3 m. L Syringe • Calibrations read from top (needle end) black ring of suction plunger • Calibrated in milliliters for each tenth (0. 1) Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
RULE: Standard drug dosages of 1 m. L or greater can be rounded to the nearest tenth (0. 1) of a m. L Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
Prefilled Single-Dose Syringe • Contains usual single-dose of medication • Used only once – Discarded • Discard any extra medication prior to injection Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
U-100 Insulin Syringe • Used only to measure and administer insulin – Do not use with any other medications • May be standard 100 unit or Lo-dose 100 unit (for smaller doses) – Lo-dose syringes have 50 -unit or 30 -unit capacity with single-unit calibration Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
U-100 Insulin Syringe © Cengage Learning 2016 Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
Lo-Dose U-100 Insulin Syringe Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
1 m. L Syringe • Also known as tuberculin or TB syringe • Used to administer small/and or critical doses – Less than 0. 5 m. L • Calibrated in hundredths of a milliliter 0. 01 Be careful to measure the dose by reading the units at the top of the black rubber stopper at the end of the plunger. Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
1 m. L Syringe © Cengage Learning 2016 Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
Safety Syringes • Needle protected by shield • Used to protect nurse from injury • Different manufacturers make different protective devices • Vary among clinical settings/hospitals Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
Intravenous Syringe • Used to prepare medication for IV administration • Examine calibrations and select best syringe based on volume needed • Typically, needle removed from syringe • Needleless system administers drug through IV tubing • Syringes intended for injection should never be used to measure or administer oral medications Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
Needleless Syringe System • Used to prevent needlesticks during IV medication administration Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
RULE Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
Copyright © 2016 Cengage Learning. ALL RIGHTS RESERVED.
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