What is the first action a nurse should take when noting a nonreassuring fetal heart rate pattern during oxytocin administration?

When a nurse observes a nonreassuring fetal heart rate pattern during oxytocin administration, the priority action is to stop the oxytocin infusion. Oxytocin is a medication that stimulates uterine contractions; however, if fetal heart rate patterns become concerning, this suggests that the fetus may be experiencing distress. Stopping the infusion allows for the reduction of uterine stimulation, which can help alleviate any stress placed on the fetus and potentially restore a normal heart rate pattern.

Stopping the oxytocin is crucial because it directly addresses the potential cause of the fetal distress. While notifying the healthcare provider, providing maternal reassurance, or increasing fluid intake are important interventions, they do not address the immediate issue of the uterine overstimulation and the resulting nonreassuring fetal heart rate. Prioritizing the cessation of oxytocin can create the necessary conditions for further assessment and intervention to ensure the safety and well-being of both the mother and fetus.