Which of the following actions should a nurse take for a client receiving epidural anesthesia who is hypotensive with decreased placental perfusion?
Explanation & Rationale
Choice A reason: Monitoring blood pressure every 30 minutes is inadequate for hypotension, which requires immediate intervention to restore placental perfusion. Epidural anesthesia can cause sympathetic blockade, reducing vascular tone and blood pressure. Frequent monitoring (every 5-10 minutes) is needed, but this action does not address the acute hypotension affecting fetal oxygenation. Choice B reason: The knee-chest position is used for specific obstetric emergencies like cord prolapse, not hypotension from epidural anesthesia. It does not improve blood pressure or placental perfusion. Hypotension requires fluid or vasopressor support to restore circulation, as positional changes like knee-chest do not address the underlying sympathetic blockade causing reduced perfusion. Choice C reason: Administering oxygen at 2 L/min via nasal cannula does not directly correct hypotension, the primary cause of decreased placental perfusion. While oxygen may support fetal oxygenation, it does not restore maternal blood pressure. Fluid boluses or vasopressors are needed to address the epidural-induced vasodilation and ensure adequate placental blood flow. Choice D reason: A 500 mL lactated Ringer’s bolus corrects epidural-induced hypotension by expanding intravascular volume, restoring blood pressure, and improving placental perfusion. Epidurals cause sympathetic blockade, reducing vascular tone. Fluid administration counteracts this, enhancing cardiac output and uteroplacental blood flow, critical for fetal oxygenation and preventing hypoxia during labor.