Bledsoe et al., Essentials of Paramedic Care: Division 1 © 2006 by Pearson Education, Inc. Upper Saddle River, NJ Division 1 Introduction to Advanced Prehospital Care
Bledsoe et al., Essentials of Paramedic Care: Division 1 © 2006 by Pearson Education, Inc. Upper Saddle River, NJ Chapter 7 Intravenous Access and Medication Administration Part 3 Medical Mathematics
Bledsoe et al., Essentials of Paramedic Care: Division 1 © 2006 by Pearson Education, Inc. Upper Saddle River, NJ Topics Metric System Conversions Systems of Measure Medical Calculations
Bledsoe et al., Essentials of Paramedic Care: Division 1 © 2006 by Pearson Education, Inc. Upper Saddle River, NJ Metric System Three fundamental units – Grams—Mass – Meters—Distance – Liters—Volume
Bledsoe et al., Essentials of Paramedic Care: Division 1 © 2006 by Pearson Education, Inc. Upper Saddle River, NJ Conversion Between Prefixes
Bledsoe et al., Essentials of Paramedic Care: Division 1 © 2006 by Pearson Education, Inc. Upper Saddle River, NJ
Bledsoe et al., Essentials of Paramedic Care: Division 1 © 2006 by Pearson Education, Inc. Upper Saddle River, NJ Medical Calculations
Bledsoe et al., Essentials of Paramedic Care: Division 1 © 2006 by Pearson Education, Inc. Upper Saddle River, NJ Desired Dose Specific quantity of medication needed Most doses expressed as weight: – Grams – Milligrams – Micrograms May be standard or based on body weight
Bledsoe et al., Essentials of Paramedic Care: Division 1 © 2006 by Pearson Education, Inc. Upper Saddle River, NJ Dosage and Volume on Hand The amount of drug available in a solution. Concentration is the weight per volume.
Bledsoe et al., Essentials of Paramedic Care: Division 1 © 2006 by Pearson Education, Inc. Upper Saddle River, NJ Calculating Medication Doses Volume to be administered = Volume on hand (desired dose) Dosage on hand
Bledsoe et al., Essentials of Paramedic Care: Division 1 © 2006 by Pearson Education, Inc. Upper Saddle River, NJ Calculating Infusion Rates Medicated Infusions Drops/minute = Volume on hand x drip factor x desired dose Dosage on hand
Bledsoe et al., Essentials of Paramedic Care: Division 1 © 2006 by Pearson Education, Inc. Upper Saddle River, NJ Calculating Infusion Rates Fluid Volume Over Time Drops/minute = Volume to be administered (drip factor) Time in minutes
Bledsoe et al., Essentials of Paramedic Care: Division 1 © 2006 by Pearson Education, Inc. Upper Saddle River, NJ Exact flow rates are critical in pediatric patients since they cannot tolerate over- or under doses.
Bledsoe et al., Essentials of Paramedic Care: Division 1 © 2006 by Pearson Education, Inc. Upper Saddle River, NJ Summary Metric System Conversions Systems of Measure Medical Calculations