Following mitral valve replacement surgery a client develops PVC’s. The health care provider orders a bolus of Lidocaine followed by a continuous Lidocaine infusion at a rate of 2 mgm/minute. The IV solution contains 2 grams of Lidocaine in 500 cc’s of D5W. The infusion pump delivers 60 microdrops/cc. What rate would deliver 4 mgm of Lidocaine/minute?

2 gm=2000 mgm 2000 mgm/500 cc = 4 mgm/x cc 2000x = 2000 x= 2000/2000 = 1 cc of IV solution/minute CC x 60 microdrops = 60 microdrops/minute

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