medication administration part 3
TRANSCRIPT
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Medication Administration
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Medical MathematicsMedical MathematicsPart 3Part 3
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Part Three Topics
Metric system conversions Systems of measure Medical calculations
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Metric System
Three fundamental units Grams—Mass Meters—Distance Liters—Volume
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Conversion Between Prefixes
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Medical Calculations
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Specific quantity of medicationneeded.
Most doses expressed as weight: Grams. Milligrams. Micrograms.
May be standard or based on bodyweight.
Desired Dose
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Dosage and Volume on Hand
The amount of drug available ina solution.
Concentration is the weight pervolume.
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Calculating Medication Doses
Volume to be Administered =
volume on hand (desired dose)
dosage on hand
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Calculating Infusion Rates
Medicated Infusions
Drops/minute=
Volume on hand x drip factor x desired doseDosage on hand
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Fluid Volume Over Time
drops/minute =
Volume to be administered (drip factor)Time in minutes
Calculating Infusion Rates
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Dosage and Infusion Rates in Pediatric
PatientsExact flow rates are critical in pediatric
patients since they cannot tolerate over- or under doses.
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Part Three Summary
Metric system conversions Systems of measure Medical calculations