Order: Phenytoin (Dilantin) 15 mg/kg loading dose IV push stat. Phenytoin is supplied 50 mg/mL and is to be administered at 25 mg/min. How many mL would you administer over how many minutes if the client weighs 65 kilograms?
1. 19.5 mL over 39 minutes
2. 19.5 mL over 20 minutes
3. 30 mL to be given over 1 hour
4. 30 mL to be given over 30 minutes
1
Global Rationale: 15 mg/kg × 65 kg = 975 mg to be administered; 975 mg × min/25 mg = 39 minutes.
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