Phenytoin15,000,000 mcg PO, is ordered to be given through a nasogastric tube. Phenytoin is available as 22,000 mg / 10 mL. How much would the nurse administer
Solution: Ordered/have X Volume per hour = Y (Liquid Required)
Convert 22,000 mg to mcg.
mcg ← mg ← g ← kg ( x by 1,000 )
22,000 mg x 1,000 = 22,000,000 mcg
15,000,000 mcg/22,000,000 mcg X 10 mL= 6.8 mL
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