In: Chemistry
Order : heparin, infuse 500 units/hr
Avaliable : heparin 25,000 units in 250 mL. supplied IV bag
Now
Flow rate in ( mL / hr ) =( (500 units / hr)/(25,000 units) ) x 250 mL
Flow rate in ( mL / hr ) = 5 mL / hr
if 20 drops is = 1 mL
? = 250 mL
no. of drops = 250 x 20
= 5000 drops