A physician ordered heparin 8,000 units SC bid. There is a vial of heparin sodium injection, 10,000 units/1 mL in stock. How much should be given to the patient?
0.2 mL two times/day
0.4 mL two times/day
0.8 mL two times/day
1.2 mL two times/day
0.8 mL two times/day
Rationale: By using the formula D/H x Q, we find that 8,000 units divided by 10,000 units = 8 / 10 mL, which = 0.8 mL.
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