Question

A patient weighs 93 pounds (lb). Meperidine hydrochloride is ordered for pain at a dosage of 6 milligrams (mg) per kilogram of body weight in a 24-hour period. Meperidine hydrochloride is available in injection form with 50 mg per mL. How many mL (to the nearest mL) of meperidine hydrochloride would the patient be able to receive in a 24- hour period?

Answer 1

Convert the dose into mg / lb

1 lb = .45 Kg

so the does = 6 * .45 = 2.7 mg/lb

so the daily dose of the patient is 93 * 2.7 = 251.1 mg

injections are available in 50mg per mL

to calculate the daily dose in mL 251.1 / 50 = 5 mL