If a vial of heparin contains 20,000 u/ml, how many ml are needed for a 12,500 u dose?
Given
Order:Heparin
Dose:12,500 units
Available:20,000 u/ml
When 20,00 units=1ml
Then 12,500 units=??ml
Cross multiply and divide
=12,500×1÷20,000
=12,500÷20,000
=0.625 or 0.6
Ans:0.6 ml is needed to administer 12,500 units
If a vial of heparin contains 20,000 u/ml, how many ml are needed for a 12,500...
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