Ati Med Surg Proctored Exam
Calculation
A nurse is preparing to administer lidocaine 2 mg/min by continuous IV infusion to a client. The amount available is lidocaine 400 mg in 100 mL of dextrose 5% in water. 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/hr
Explanation & Rationale
Determine the concentration of lidocaine in mg/mL: 400 mg ÷ 100 mL = 4 mg/mL Determine how many mL per minute are needed to deliver 2 mg/min: 2 mg ÷ 4 mg/mL = 0.5 mL/min Convert mL per minute to mL per hour: 0.5 mL/min × 60 min/hr = 30 mL/hr Final answer: 30 mL/hr
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