The patient who weighs 70 kg is to receive 750 mg of abatacept (Orencia) by IV infusion for the treatment of rheumatoid arthritis. When reconstituted, the medication has dosage strength of 25 mg/mL. How many milliliters of the medication should be prepared for this dosage? Record your answer rounding to the nearest whole number.
Fill in the blank(s) with the appropriate word(s).
30 mL
Abatacept (Orencia), like other biologic DMARDs, is given by IV infusion. The usual dosage is 500 to 1000 mg per IV infusion every two weeks for two doses, then every month. To calculate the patient's dose the nurse can use the equation Dosage Required/Dosage Available × mL or 750 mg/25 mg × 1 mL = 750/25 × 1 mL = 30 mL.
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