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Difficulty: MediumNeonatal Disorders

A 38-week gestation male neonate is born via emergent cesarean delivery complicated by severe umbilical cord prolapse. At delivery, the infant is apneic, flaccid, and cyanotic.

Arrange the following steps of neonatal resuscitation in the correct chronological sequence according to current guidelines.

  1. 1Place the infant under a radiant warmer, clear the airway, dry, and stimulate.
  2. 2Initiate positive-pressure ventilation (PPV) and attach a pulse oximeter.
  3. 3Perform endotracheal intubation and begin chest compressions.
  4. 4Administer intravenous epinephrine via an umbilical venous catheter.

Answer

The correct sequence for neonatal resuscitation begins with initial steps (warm, dry, stimulate), followed by positive-pressure ventilation for apnea, then chest compressions if severe bradycardia persists, and finally intravenous epinephrine.
According to the Neonatal Resuscitation Program (NRP) guidelines, resuscitation follows a strict, step-wise progression based on the infant's physiological response. The algorithm heavily prioritizes establishing effective ventilation before progressing to circulatory support. Initial steps (warm, dry, stimulate) are followed immediately by positive-pressure ventilation (PPV) if the infant is apneic, gasping, or has a heart rate < 100/min. If the heart rate remains < 60/min despite at least 30 seconds of effective PPV (evidenced by chest rise), chest compressions are initiated, and an advanced airway is recommended. Pharmacologic support with epinephrine is reserved strictly for profound bradycardia (< 60/min) that persists despite 60 seconds of coordinated chest compressions and adequate ventilation.

Step-by-Step Solution

1
Assess the infant immediately at birth and perform initial stabilization.
The infant is placed under a warmer, dried, and stimulated.
These rapid initial steps are essential to prevent heat loss and stimulate spontaneous respiratory effort in a compromised neonate.
2
Re-evaluate the infant's breathing and heart rate.
Positive-pressure ventilation (PPV) is initiated due to ongoing apnea and hypotonia.
PPV is the most critical intervention for an infant who is apneic, gasping, or has a heart rate < 100/min after initial steps are completed.
3
Assess the heart rate after 30 seconds of effective ventilation.
Endotracheal intubation is performed and chest compressions are commenced.
Chest compressions are indicated if the heart rate remains < 60/min despite adequate ventilation. Intubation ensures optimal airway control and oxygen delivery during compressions.
4
Assess the heart rate after 60 seconds of coordinated compressions and ventilation.
Epinephrine is administered intravenously.
Epinephrine is indicated to stimulate myocardial contractility and vascular tone if profound bradycardia (< 60/min) persists despite effective ventilation and compressions.

Key Concept

Neonatal Resuscitation Algorithm sequence and escalation criteria
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Topics

Neonatal Disorders

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