A 6-month-old male infant is brought to the ER after the sudden development of abdominal pain, irritability, and vomiting followed by passing of "currant jelly" stool. Ultrasound reveals intestinal obstruction in which the ileum collapsed through the ileocecal valve and invaginated into the large intestine. This type of obstruction is referred to as:

Question

Quizplus · Accepted Answer

The given symptoms and ultrasound findings are consistent with intussusception, which is a telescoping of one segment of the bowel into another, most commonly the ileum into the cecum. This causes an obstruction of the bowel and can lead to the characteristic "currant jelly" stool due to mucosal ischemia and bleeding. Prolapse refers to the displacement of an organ or tissue from its normal position, introlapse is not a recognized medical term, and imperforation refers to a complete lack of an opening or passage, which is not consistent with the given scenario.

A 6-Month-Old Male Infant Is Brought to the ER After