A baby born at 30 weeks gestation via emergency LSCS develops restlessness, grunting, and chest retractions. An X-ray shows a ground-glass appearance. What is the diagnosis?

Appeared in: NORCERT 8 Mains-2025

Explanation

The infant is preterm (30 weeks), which is the primary risk factor for Respiratory Distress Syndrome (RDS) due to immature lungs and insufficient surfactant production.
The clinical signs of grunting, chest retractions, and restlessness are classic manifestations of respiratory distress in a neonate.
The chest X-ray finding of a diffuse 'ground-glass' appearance with air bronchograms is the hallmark radiological sign of RDS.
The combination of prematurity, clinical signs, and radiological findings makes RDS the most definitive diagnosis.

Option B: Transient tachypnea of the newborn (TTN) is caused by delayed clearance of fetal lung fluid, not surfactant deficiency. The X-ray typically shows perihilar streaking and fluid in the fissures, not a ground-glass appearance.
Option C: Meconium aspiration syndrome (MAS) occurs when a fetus inhales meconium-stained amniotic fluid. This is a condition of term or post-term infants, not preterm infants at 30 weeks. The X-ray shows coarse, patchy infiltrates and hyperinflation.
Option D: While pneumonia can cause respiratory distress in a neonate, the X-ray findings are typically patchy or lobar consolidation, not the diffuse, uniform ground-glass pattern seen in RDS. The presentation in the question is more specific to surfactant deficiency.

Visual 1: Chest X-ray - An image showing the classic diffuse reticulogranular ('ground-glass') pattern and air bronchograms characteristic of Neonatal Respiratory Distress Syndrome.
Visual 2: Comparative Chart - A chart comparing the key features (Gestation, Pathophysiology, X-ray findings) of RDS, TTN, MAS, and Neonatal Pneumonia to help differentiate them.

Clinical Relevance

Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing Diagnosis of neonatal respiratory distress based on clinical and radiological findings in acute care settings.
Prompt recognition of RDS is critical for timely intervention. Administering exogenous surfactant and providing respiratory support like CPAP can significantly improve outcomes and reduce mortality in preterm infants.
Nurses play a vital role in monitoring respiratory status, administering treatments, maintaining a neutral thermal environment, and minimizing stress to conserve the neonate's energy.
What if the baby was born at 38 weeks (term)? If a term baby presented with similar symptoms, the differential diagnosis would shift. Transient Tachypnea of the Newborn (TTN) or congenital pneumonia would become more likely than RDS, as surfactant deficiency is rare in term infants without other complications like maternal diabetes.

How to Approach the Question

First, identify the key information in the clinical scenario: the patient is a preterm infant (30 weeks).
Next, note the classic signs of respiratory distress: restlessness, grunting, and chest retractions.
Then, focus on the specific radiological finding: a 'ground-glass' appearance on the X-ray.
Correlate these three key pieces of information (prematurity, respiratory signs, X-ray pattern) with the known characteristics of the conditions listed in the options.
Recognize that the combination of prematurity and a ground-glass X-ray is pathognomonic for Respiratory Distress Syndrome (RDS).
Eliminate the other options based on their typical presentation: TTN (term infant, wet lung X-ray), MAS (term/post-term, meconium history, patchy X-ray), and Pneumonia (patchy X-ray, infection signs).

Concept Tested & Keywords

Concept Tested: Diagnosis of neonatal respiratory distress based on clinical and radiological findings.
Stem keywords: 30 weeks gestation, emergency LSCS, restlessness, grunting, chest retractions, ground-glass appearance
Lead-in keywords: What is the diagnosis?
Clinical cues: The combination of prematurity (30 weeks), classic respiratory symptoms (grunting, retractions), and the specific 'ground-glass' X-ray finding is pathognomonic for RDS.

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Attempt every question from this paper in a timed mock, then review the full solution for each one.