A 50-kg patient has recently experienced a myocardial infarction, and the physician orders a lidocaine infusion...

A 50-kg patient has recently experienced a myocardial infarction, and the physician orders a lidocaine infusion to suppress dysrhythmias. The order is: Lidocaine 500 mg in 250 mL to D5W at 150 microdrop (gtt) per minute. What will be the rate of this IV infusion in miligrams per kilogram per minute (mg/kg/min) when the nurse uses a microdrop setup of 60 mcg= 1 mL?

Expert Solution

Formula for calculating

Ordered amount of drug*patients weight*60(minutes/hr)/Drug concentration.

Ordered amount of drug=X

Patient weight=50kg.

Number of minutes in an hour=60minutes

Dose/ml= 500mg/250ml=2mg/ml

Rate=150gtt/mt

150=X*50Kg*60/2mg/ml

150*2/50*60=1mg/kg/mt

Nightingale answered 2 years ago

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