The postembolic CVA patient in the acute phase has an order for 400 units of heparin per hour IV. The heparin is in a solution of 5000 units/100 mL NS. The nurse should set the electronic IV monitor at how many milliliters per hour?
1. 6
2. 8
3. 10
4. 16
2
Regardless of the method of calculation, there are 50 units of heparin in each milliliter of the solution; 8 mL/hour delivers 400 units. (5000 units divided by 100 mL NS = 50 units/mL. 400 units divided by 50 units/mL = 8 mL.)
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