Jk is a 60yr male hospitalized for a total knee replacement. he was given unfractionated heparin and developed heparin induced thrombocytopenia. argatroban is ordered at a dose of 2mcg/kg/min. the pharmacy provided the drug 100mg/250ml d5w. jk weighs 187lbs. at what rate(ml/hr.) should the nurse infuse argatroban to provide the desired dose?