NORCET 2 - 2021 (shift-1)
Child Health Nursing (Pediatrics)
Easy
What is the compression to ventilation ratio in an infant during neonatal resuscitation?
Appeared in: NORCET 2 - 2021 (shift-1)
Explanation
- The standard compression-to-ventilation ratio for neonatal resuscitation is 3:1, as recommended by major guidelines like the Neonatal Resuscitation Program (NRP).
- This ratio involves delivering three rapid chest compressions followed by one ventilation.
- The goal is to achieve a total of 120 events per minute, which breaks down into 90 compressions and 30 breaths.
- This specific ratio is optimized for newborns, as their cardiac arrests are typically secondary to respiratory failure (asphyxia), requiring coordinated ventilatory and circulatory support.
Why Other Options Were Wrong
- Option B: The 15:2 ratio is used for pediatric CPR, not neonatal resuscitation. It is specifically for two-rescuer CPR on an infant or child.
- Option C: A 1:3 ratio (1 compression to 3 breaths) is incorrect. It would severely under-prioritize circulation once chest compressions are indicated.
- Option D: A 1:5 ratio is incorrect and not a recognized standard in any CPR guideline.
Related Visual
- Visual 1: Diagram: Illustration of the two-thumb encircling hands technique for neonatal chest compressions, showing proper hand placement on the lower third of the sternum.
- Visual 2: Flowchart: A simplified algorithm for neonatal resuscitation, showing the progression from initial steps to PPV and the decision point (HR < 60) to start 3:1 CPR.
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Cardiopulmonary Resuscitation (CPR) in Neonates as background academic context rather than a clinical decision trigger.
- Mastering the 3:1 ratio is a critical skill for any nurse working in labor, delivery, or neonatal units. Delays or incorrect ratios can lead to poor outcomes, including hypoxic brain injury.
- The two-thumb encircling technique is preferred as it generates higher systolic and coronary perfusion pressures compared to the two-finger technique.
- What if the arrest was in a 9-month-old infant found unresponsive (not a newborn at birth)? For a single rescuer, the ratio would change to 30:2, reflecting the higher likelihood of a primary cardiac cause in older infants.
How to Approach the Question
- First, identify the key elements of the question: 'compression to ventilation ratio', 'infant', and 'neonatal resuscitation'.
- Recognize that 'neonatal resuscitation' refers to the specific protocols for a newborn immediately after birth, which are different from standard pediatric CPR.
- Recall the specific guidelines for the Neonatal Resuscitation Program (NRP).
- Differentiate the neonatal ratio from the pediatric ratios (e.g., 15:2 or 30:2).
- Select the option that matches the established neonatal guideline, which is 3 compressions for every 1 breath.
Concept Tested & Keywords
- Concept Tested: Cardiopulmonary Resuscitation (CPR) in Neonates
- Stem keywords: compression to ventilation ratio, infant, neonatal resuscitation
- Lead-in keywords: What is
- Clinical cues: Age/sex group narrows the expected diagnosis, intervention, or normal reference range.
Question ID
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Attempt every question from this paper in a timed mock, then review the full solution for each one.
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