Medication administration part 3
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Medication administration part 3 Presentation Transcript

  • 1. MedicationAdministration
  • 2. Medical Mathematics Part 3
  • 3. Part Three Topics Metric system conversions Systems of measure Medical calculations
  • 4. Metric System Three fundamental units  Grams—Mass  Meters—Distance  Liters—Volume
  • 5. Conversion Between Prefixes
  • 6. Medical Calculations
  • 7. Desired Dose Specific quantity of medication needed. Most doses expressed as weight:  Grams.  Milligrams.  Micrograms. May be standard or based on body weight.
  • 8. Dosage and Volume on Hand The amount of drug available in a solution. Concentration is the weight per volume.
  • 9. Calculating Medication Doses Volume to be Administered = volume on hand (desired dose) dosage on hand
  • 10. Calculating Infusion Rates Medicated Infusions Drops/minute=Volume on hand x drip factor x desired dose Dosage on hand
  • 11. Calculating Infusion Rates Fluid Volume Over Time drops/minute = Volume to be administered (drip factor) Time in minutes
  • 12. Dosage and Infusion Rates in Pediatric PatientsExact flow rates are critical in pediatric patients since they cannot tolerate over- or under doses.
  • 13. Part Three Summary Metric system conversions Systems of measure Medical calculations