A 25 mg per 2mL dosage is to be diluted to 30mL. Run over 30 min with a 15mL flush. Determine the volume of solution which must be added to the Buretrol and the IV flow rate using a microdrip set.
Answer:
Volume of solution to be added to Buretrol to obtain desired dilution is 28 ml & IV flow rate is 60 gtt/min
Calculations are below:
Available fluid dosage: 25 mg / 2 ml buretrol
Total diluted volume: 30 ml
Duration: 30 min with 15 ml flush
Drip set: microdrip = 60 gtt / ml = Drop factor
Volume of solution to be added = Total diluted volume – Available fluid dosage
= 30 ml – 2 ml
= 28 ml
IV flow rate (gtt/min) = (Total diluted volume / time in minutes) X Drop factor in gtt/ml
= (30 ml / 30 min) X 60 gtt/ml
= 60 gtt/min
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