A 3-week-old male infant is brought to the ER with projectile vomiting and irritability. The mother said that he seems to be hungry a lot but vomits after, and it has gotten worse over 2-3 days. She also notes he is constipated. The most likely diagnosis is:
A) intestinal malrotation.
B) Meckel diverticulum.
C) pyloric stenosis.
D) esophageal atresia

Question

Quizplus · Accepted Answer

Pyloric stenosis is characterized by projectile vomiting in infants, typically starting around 3-6 weeks of age. The infant often appears hungry after vomiting and may show signs of dehydration and constipation due to fluid loss.

A 3-Week-Old Male Infant Is Brought to the ER with Projectile