AIIMS Raipur NO - 2019 (Shift-2)
Child Health Nursing (Pediatrics)
Easy
Failure to pass meconium within the first 36 hours of life, abdominal distension, poor feeding, and empty rectum are the findings of?
Appeared in: AIIMS Raipur NO - 2019 (Shift-2)
Explanation
- Hirschsprung's disease is a congenital absence of ganglion cells in the distal colon, causing a functional obstruction.
- The key signs in a neonate are failure to pass meconium within 24-48 hours, progressive abdominal distension from trapped stool and gas, and poor feeding.
- A digital rectal exam reveals a characteristically empty rectum because the obstruction is proximal, often followed by an explosive gush of stool and gas upon withdrawal of the finger.
Why Other Options Were Wrong
- Option B: Appendicitis is extremely rare in neonates. Its classic presentation involves fever, vomiting, and localized right lower quadrant pain, not a failure to pass meconium.
- Option C: Malabsorption is a chronic condition related to nutrient absorption that typically presents with chronic diarrhea, fatty stools (steatorrhea), and failure to thrive, not an acute neonatal bowel obstruction.
- Option D: Peritonitis is inflammation of the abdominal lining, usually a complication of another process like bowel perforation. While it causes severe illness and abdominal distension, it is not the primary cause of a failure to pass meconium.
Related Visual
- Visual 1: Diagram: Illustration of the large intestine showing the narrowed, aganglionic segment in the rectosigmoid area and the dilated, healthy colon proximal to it.
- Visual 2: Image: Barium enema X-ray showing the classic 'transition zone' between the narrow distal segment and the enlarged proximal megacolon in Hirschsprung's disease.
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Hirschsprung's Disease as background academic context rather than a clinical decision trigger.
- Early recognition of Hirschsprung's disease is critical to prevent bowel perforation and life-threatening enterocolitis.
- A key nursing responsibility is measuring and tracking abdominal girth. A sudden increase can indicate worsening obstruction or the onset of enterocolitis, which is a medical emergency requiring immediate intervention.
- What if? If the rectal exam had revealed a large amount of hard stool in the rectal vault, the diagnosis would more likely be functional constipation (though rare to present this way in a newborn) rather than Hirschsprung's disease.
How to Approach the Question
- First, identify the patient's age group: a newborn ('first 36 hours of life'). This immediately focuses the differential diagnosis on congenital conditions.
- Next, analyze the cluster of symptoms: delayed meconium, abdominal swelling, feeding issues, and an empty rectum.
- Recognize this combination as a classic presentation of a neonatal bowel obstruction.
- Evaluate the options based on this pattern. Hirschsprung's disease perfectly matches the signs of a distal, functional obstruction in a newborn.
- Eliminate other options: Appendicitis is rare and presents differently. Malabsorption is chronic. Peritonitis is usually a secondary complication.
Concept Tested & Keywords
- Concept Tested: Hirschsprung's Disease
- Stem keywords: Failure to pass meconium, abdominal distension, poor feeding, empty rectum, neonate
- Lead-in keywords: findings of
- Clinical cues: The combination of delayed meconium passage and an empty rectum is a strong indicator of a distal obstruction like Hirschsprung's disease.
- Negative lead-in flag: false
Question ID
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