Summary NURSES CLINICAL POCKET GUIDE

Common Formulas Syringe (Amount to be drawn up) Desired amount × Total volume × (Drug) = ———— Total amount of drug on hand mL/hr— Infusion rate Programming Pump Units/Hour Micrograms/ Kilogram/ Minute drops Desired amount × drop factor of tubing × — = ————— min Time in minutes D × Q Method Desired × mL of fluid —— × mL= ——— A Available × mL/h= Ordered µg /min × pt. Weight in kg × 60 min/1 hr ————— Medication concentration (No. of µg/mL) To calculate volume/hour Total Volume ÷ Administration time = mL (volume)/hour To calculate drops/minute × gtt/min = Hourly Volume × gtt factor of tubing (i.e. 125 mL) (i.e. 15 gtt/mL drop factor) ————— Time in minutes (60) Body Surface Area (BSA) U & kg: m√¯——¯— sing c Ht (cm) × Wt (kg) 3600 & lb: √¯—¯— Using inches Ht (in) × Wt (lbs) 3131 2 . Pediatric Formulas Key Points ■ Child’s weight in kilograms ■ What is the safe recommended dosage or range? ■ Is the order safe? ■ How many milligrams will you administer? Milligram/kilogram/hour X mL = mg × kg wt × 24 hours Body Surface Area (BSA) Dose based on BSA (use West nomogram) BSA in m2 × Recommended adult dose = Child dose BSA of adult (1.7) Clark’s Rule: Dose based on child’s weight Weight (lb) × Average adult dose = Child dose ———— —— Average adult weight 150 lbs Pediatric IV Solutions Key Points ■ Pediatric formulas are not different from those of adults; however, the difference is the amount of volume of solution used. ■ Pediatric patients require a smaller volume of IV solutions. ■ Accurate calculation of drug to volume of solution is important to prevent vein irritation. Pediatric IV Medications by Pump Total volume to be infused (in mL) X mL/hour = —————— Total amount of time for infusion (in hours) If to be infused by Volume Control Set by gravity Total volume to be infused (in mL) × gtt factor X gtt/min = ——————— Total amount of time for infused (in minutes) CopByarsigichst © 2005 F. A. Davis.