IV Phenytoin fusion phenytoin infusion phenytoin infusion IV Phenytoin fusion phenytoin infusion IV Phenytoin fusion IV Phenytoin fusion phenytoin infusion IV Phenytoin fusion IV Phenytoin fusion IV Phenytoin fusion phenytoin infusion phenytoin infusion IV Phenytoin fusion IV Phenytoin fusion phenytoin infusion phenytoin infusion IV Phenytoin fusion phenytoin infusion IV Phenytoin fusion IV Phenytoin fusion phenytoin infusion phenytoin infusion phenytoin infusion IV Phenytoin fusion