A pediatric patient has an IV with a microdrip. The order is for 40 mL/hr to infuse. At what rate does the nurse set the microdrip?
a. 10 gtt/min
b. 20 gtt/min
c. 40 gtt/min
d. 80 gtt/min
C
Select one of the following formulas to calculate drop rate based on drops per minute: mL/hr/60 min = mL/min followed by Drop factor ? mL/min = drops/min, or mL/hr ? Drop factor/60 min = drops/min. In this case, 40 mL/hr ??60 gtt/mL = 240 gtt/hr ??1 hr/60 min = 40 gtt/min. When microdrip is used, mL/hr always equals gtt/min.
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