Pyloric stenosis - infant

Congenital hypertrophic pyloric stenosis; Infantile hypertrophic pyloric stenosis; Gastric outlet obstruction; Vomiting - pyloric stenosis

Pyloric stenosis is a narrowing of the pylorus, the opening from the stomach into the small intestine. This article describes the condition in infants.

Digestive system

The esophagus, stomach, large and small intestine, aided by the liver, gallbladder and pancreas convert the nutritive components of food into energy and break down the non-nutritive components into waste to be excreted.

Pyloric stenosis

A narrowing of the outlet from the stomach to the small intestine (called the pylorus) that occurs in infants.

Infantile pyloric stenosis - series

The stomach connects the esophagus to the small intestines The pylorus of the stomach is a small, narrow muscular sphincter through which food passes into the duodenum after it has been partially digested in the stomach.

Causes

Symptoms

Exams and Tests

Treatment

Outlook (Prognosis)

Possible Complications

When to Contact a Medical Professional