A. The nurse is caring for an infant diagnosed with Hirschsprung disease who is awaiting surgery. Which assessment finding requires the nurse’s immediate action?

1. Abdominal distension with no change in girth for 8 hours
2. Did not pass meconium or stool within 48 hours after birth
3. Episode of foul-smelling diarrhea and fever
4. Excessive crying and greenish vomiting

B. Expand on general aspects of Hirschsprung disease, clinical features, complications.