Which description of vomiting would be most dangerous if found while assessing a newly delivered infant?

The most dangerous form of vomiting in a newly delivered infant is the projectile vomiting, this is a type of vomiting where in it is acted in a forceful way. This is a symptom that would indicate that the infant has pyloric stenosis. This where the muscle which is the pylorus, has block the food flow in the small intestine of the baby.