One general guideline for the maintenance dos ing of heparin in pediatric patients is 100 units/kg every4 hours, or 20,000 units/m²/24 hour administered continuously. The a vailable injection for use by intravenous infusion contains 1000 USP Heparin Units/mL For a 44-lb child, measuring 42 inches in height, calculate the difference between the quantities of heparin administered over a 24-hour period in (a) heparin units, (b) in milligrams of heparin (sod ium), and (c) in milliliters of heparin injection.

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