Ati dosage calculation rn maternal newborn proctored assessment 3.2-Mesh
Calculation
A nurse is preparing to administer lidocaine 1.7 mg/min via continuous IV infusion to a client who is pregnant and has a ventricular arrhythmia. Available is lidocaine 1 g in dextrose 5% in water 250 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/hr.
Explanation & Rationale
Step 1 is calculate the total dosage needed: 1.7 mg/min. Step 2 is calculate how many mg are in 1 hour: 1.7 mg × 60 min. Step 3 is calculate the dosage in mg per hour: 102 mg/hr. Step 4 is determine the concentration in mg/mL: 1000 mg ÷ 250 mL. Step 5 is determine the rate in mL/hr: 102 mg ÷ 4 mg/mL. Answer: 26 mL/hr.
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