Ati nurs 250 med surg Proctored exam
Calculation
A nurse is preparing to administer a continuous heparin infusion at 1600 units/hr. Available is heparin 25,000 units in dextrose 5% in water (DW) 500 mL. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
mL/hour
Explanation & Rationale
Step 1: Determine concentration Concentration = 25,000 units ÷ 500 mL = 50 units/mL Step 2: Use the formula mL/hour = Desired dose (units/hr) ÷ Concentration (units/mL) Step 3: Insert values = 1600 ÷ 50 Step 4: Calculate = 32 mL/hour
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