A dose of methylnaltrexone bromide is administered to patients weighing over 251 lbs at a level of 0.15 mg per kilogram of body mass. Each dose is administered through a subcutaneous injection every other day. If a patient weighs 264 lbs and the methylnaltrexone bromide solution has a concentration of 20 mg/ml, how many milliliters will be administered in a period of two weeks?
ANSWER.
Calculation of amount of drug administered in a period of 2 weeks.
Ordered dose = 0.15 mg/kg.
Weight of the patient = 264 lbs.
Convert lbs value to kg for calculation.
1 kg = 2.205 lbs.
So
Weight of the patient = 264/2.205
= 119.7 kg.
= 120 kg.
Formula = Desired dose /Dose in hand * Quantity.
Desired dose for a 120 kg patient(D) = 0.15 * 120
= 18 mg.
Dose in hand (H) = 20 mg.
Quantity (Q) = 1 ml.
As per formula
Amount (ml) of drug administered per day = D/H *Q
= 18/20 *1
= 0.9 ml.
Amount (ml) of drug administered for a period
of 2 weeks = 0.9 * 14
= 12.6 ml.
A dose of methylnaltrexone bromide is administered to patients weighing over 251 lbs at a level...
A dose of methylnaltrexone bromide is administered to patients weighing over 251 lbs at a level of 0.15 mg per kilogram of body mass. Each dose is administered through a subcutaneous injection every other day. If a patient weighs 264 lbs and the methylnaltrexone bromide solution has a concentration of 20 mg/ml, how many milliliters will be administered in a period of two weeks?
a dose of methylnaltrexone bromide is administered to patients weighing over 251 pounds at a level of 0.15 mg per kilogram of body mass. each dose is administered through a subcutaneous injection every other day. if a patient weighs 264 pounds and the methylnaltrexone bromide solution has a concentration of 20 mg/ml, how many milliliters will be administered in a period of two weeks?
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