# A newborn delivered at 40 weeks gestation appears cyanotic with poor muscle tone. The heart rate is 80 beats per minute, there is no respiratory effort, and the infant does not respond to stimulation. What is the nurse's priority action? > source: MyMerci (mymerci.kr) > url: https://mymerci.kr/pages/nclex_q.php?qn_id=543191 > language: ko > subject: Maternal Newborn Health ## 문제 A newborn delivered at 40 weeks gestation appears cyanotic with poor muscle tone. The heart rate is 80 beats per minute, there is no respiratory effort, and the infant does not respond to stimulation. What is the nurse's priority action? Immediate newborn resuscitation scenario requiring priority intervention ## 보기 1. Administer supplemental oxygen via face mask 2. Begin positive pressure ventilation with bag-mask device **✔ 정답** 3. Start chest compressions immediately 4. Suction the mouth and nose thoroughly **정답: 2** ## 해설 Per NRP guidelines, positive pressure ventilation is priority for a newborn with absent respiratory effort and HR ## 심화 해설 Clinical Scenario Analysis The newborn presents with cyanosis, poor muscle tone, a heart rate of 80 bpm, apnea, and no response to stimulation. This clinical picture indicates the infant is in secondary apnea with severe bradycardia, requiring immediate initiation of the Neonatal Resuscitation Program (NRP) algorithm. Priority Action and Rationale The correct priority action is to begin positive pressure ventilation (PPV) with a bag-mask device. In the NRP algorithm, the most critical step for a non-vigorous, apneic newborn with a heart rate below 100 bpm is establishing effective ventilation. The foundational principle of neonatal resuscitation is that the vast majority of newborns respond to ventilation alone; cardiac compromise is almost always secondary to respiratory failure [1,2]. The physiological transition at birth requires the lungs to be cleared of fluid and inflated with air to decrease pulmonary vascular resistance and initiate gas exchange. Without this, the infant remains hypoxemic, leading to bradycardia and poor perfusion. Initiating PPV addresses the primary cause of the deterioration and is the first and most vital corrective measure. Analysis of Incorrect Options - Option 1: Administer supplemental oxygen via face mask. Free-flow oxygen is insufficient for an apneic patient. The infant has no respiratory effort, meaning oxygen cannot be delivered to the lungs for exchange. The priority is to provide breaths, not just supplemental oxygen. Furthermore, current guidelines recommend initiating resuscitation with 21% oxygen (room air) for term infants, with titration based on pulse oximetry, rather than immediate supplemental oxygen . The core issue is ventilation, not oxygenation alone. - Option 3: Start chest compressions immediately. Chest compressions are indicated only after 30 seconds of effective PPV fails to raise the heart rate above 60 bpm. The heart rate of 80 bpm here is a direct consequence of hypoxia from inadequate ventilation. Effective PPV is expected to rapidly increase the heart rate, often eliminating the need for compressions. Skipping ventilation to start compressions directly violates the NRP algorithm and fails to correct the underlying pathology [1,2]. - Option 4: Suction the mouth and nose thoroughly. Routine intrapartum suctioning is no longer recommended for vigorous or non-vigorous newborns with meconium-stained fluid, and it is not the initial step for an apneic infant without obvious obstruction. Unnecessary or prolonged suctioning can cause vagal stimulation, worsening bradycardia, and delays the critical intervention of PPV. The initial steps of NRP (warm, dry, stimulate, position airway) lead directly to ventilation if the infant remains apneic or bradycardic [2]. Integration of Evidence and Clinical Practice The NRP algorithm, as the standard of care for newborns, is built on the premise that ventilation is the single most important intervention [1,2]. A study on heart rate-guided resuscitation reinforces that effective ventilation, confirmed by a rising heart rate, is the primary measure of success and the key driver of positive outcomes . The heart rate response is the best real-time indicator of effective PPV. The debate around oxygen concentration highlights the nuance of avoiding both hyperoxia and hypoxia, but this refinement occurs after ventilation is established, not before it . The nurse's immediate priority is to initiate PPV within the first "Golden Minute" to reverse the hypoxic-bradycardic state and prevent progression to a non-perfusing rhythm.References (research sources) - [2]Resuscitation education for NICU providers: Current practice and recommendations for NRP and PALS in the NICU.GuidelineSchierholz E, Wetzel EA, Thomas AR, Kamath-Rayne BD, Reed DJW. (2024) · DOI: 10.1016/j.semperi.2024.151991 ## 임상 시나리오 Clinical Practice Guide NRP Algorithm Priority: For a term newborn with apnea, gasping, or heart rate below 100 bpm, initiate positive pressure ventilation (PPV) within the first 60 seconds of life ("The Golden Minute"). The vast majority of newborns respond to effective ventilation alone, as bradycardia is typically a result of myocardial hypoxia from respiratory failure. Ventilation Technique: Use a self-inflating bag or T-piece resuscitator with an appropriately sized mask. Start with a peak inspiratory pressure of 20-25 cm H2O for term infants. Provide 40-60 breaths per minute while assessing for a rapid rise in heart rate, which is the primary indicator of effective ventilation. Reassessment Sequence: If the heart rate remains below 100 bpm after 30 seconds of effective PPV, check for chest wall movement and consider the MR. SOPA corrective steps (Mask adjustment, Reposition airway, Suction mouth/nose, Open mouth, Pressure increase, Airway alternative). If heart rate drops below 60 bpm despite effective PPV, initiate chest compressions coordinated with ventilation. Suctioning Update: Routine tracheal suctioning for non-vigorous newborns born through meconium-stained amniotic fluid is no longer recommended. Airway suctioning should only be performed if the airway appears obstructed or PPV is ineffective; it must not delay the initiation of ventilation. ## 핵심 개념 - **Positive Pressure Ventilation (PPV)** — The delivery of breaths to an apneic or bradycardic newborn using a bag-mask device to inflate the lungs and establish functional residual capacity. - **Secondary Apnea** — A state of apnea resulting from prolonged asphyxia where the infant does not respond to tactile stimulation and requires assisted ventilation to recover. - **Neonatal Resuscitation Program (NRP)** — An evidence-based algorithm that prioritizes establishing effective ventilation as the single most important step in newborn resuscitation. ## 같은 주제 문제 - [A nurse is assessing a newborn immediately after delivery. Which assessment finding would …](https://mymerci.kr/pages/nclex_q.php?qn_id=543186) - [A nurse is performing the initial assessment of a newborn immediately after delivery. 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