Question

prescribed is herparin 10,000 units/ day. Available are vails containing herparin 100,000 units, with a concentration of 20,000 units/ml. how long will one vial last?

Answer 1

Avaialble concentration of heparin is 20,000units/ml.It means each 1ml cntains 20,000units of heparin.

prescribed dose is 10,000units/day.so,total voume per day to be administerd can be calculated as,

, which means 0.5ml contains 10,000units of heparin

total volume(ml) in vail containing 100,000 units can be calculated as,

So, each vial contains 5ml heaprin ( 100,000units/5ml).

and 0.5ml( 10,000units) to be administerd each day from a vial of 5ml heparin.

.

Hence, one vial of heparin (100,000units/5 ml) can be used for 10 DAYS to give a dose of 10,000units/day.