1. 174 lbs /22.2 kg = 79.1 kg 2. A nurse is calculating a dosage of heparin, available is heparin 25,000 units in 0.9%Nacl 500 ml. Find ml/hr? Rx: 18 units/kg/hr 500 ml/25,000 units x 18 units/kg x 79.1kg/hr = 28.5 ml/hr 3. Available NGL 25 mg in D5W 250 ml. find ml/hr. Rx: 12 mcg/min 250ml/25mg x 0.012mg/min x 60min/hr = 7.2 ml/hr 4. Increase NGL by 5mcg (12 mcg + 5 mcg = 17 mcg) 250 ml/25mg x 0.017mg/min x 60min/hr = 10.2 ml/hr 5. Calculate flow rate for D5W 500 ml/2hr = 250 ml/hr 6. Available Labetalol 5 mg/ml . Rx: 20 mg IV bolus STAT 20 mg x 1 ml/5 mg = 4ml