A newborn is diagnosed with Hirschsprung disease. Which clinical manifestations found on assessment support this newborn's diagnosis?
1. Acute diarrhea; dehydration
2. Failure to pass meconium; abdominal distension
3. Currant jelly; gelatinous stools; pain
4. Projectile vomiting; altered electrolytes
Correct Answer: 2
Rationale: Hirschsprung disease is the absence of autonomic parasympathetic ganglion cells in the colon that prevent peristalsis at that portion of the intestine. In newborns, the symptoms include failure to pass meconium and abdominal distension. Acute diarrhea and dehydration are symptoms characteristic of gastroenteritis. Currant jelly, gelatinous stools, and pain are symptoms of intussusception, and projectile vomiting and altered electrolytes are symptoms of pyloric stenosis.
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