APPENDIX C Formulas and Reference Range Values 3047 Appendix C FORMULAS AND REFERENCE RANGE VALUES Lamia Soghier, MD HEIGHT (LENGTH) 1 mm = 0.04 in 1 cm = 0.4 in 1 in = 2.54 cm 1 m = 39.37 in WEIGHT 60 mg = 1 g 28.35 g = 1 oz 453.6 g = 1 lb 1,000 g = 1 kg 1 kg = 2.2046 lb 1 L = 1.06 qt 1 fl oz = 29.57 mL 1 tbsp = 15 mL 1 tsp = 5 mL MILLIGRAM–MILLIEQUIVALENT CONVERSIONS mEq/L = mg/L × valence/atomic weight Equivalent weight = atomic weight/valence mg/L = mEq/L × atomic weight/valence MILLIGRAM-MILLIMOLE CONVERSIONS mmol/L = mg/L ÷ molecular weight MILLIOSMOLS The milliequivalent (mEq) is roughly equivalent to the milliosmol (mOsm), the unit of measure of osmotic pres- sure or tonicity. One osmole (Osm) is the amount of a substance that dissociates in solution to form one mole (mol) of osmotically active particles. HEART RATE Average Heart Rate for Infants and Children at Rest AGE HEART RATE AT REST (BEATS/MIN) Birth–1 mo 100–180 1–12 mo 100–180 1–3 y 70–110 4–6 y 70–110 7–12 y 70–110 13–19 y 55–90 Adapted from Monaghan A. Detecting and managing deterioration in children. Paediatric Nursing. 2005 17:32–35. CONVERSION FORMULAS
Previous Page Next Page