Paediatric Barium Swallow is a diagnostic test to examine a child’s oesophagus, stomach and duodenum, which is the first part of the small intestine. This test is suggested when the child has symptoms of abdominal pain, weight loss, diarrhoea, difficulty in swallowing or other symptoms that are affecting the digestive system. The oesophagus, stomach, and duodenum are collectively called the upper gastrointestinal (GI) tract or upper digestive system. Barium, a chalky white substance is used in the detection of the passage of the meal through the upper GI tract. Therefore, this test is also referred as Upper GI Series or a Barium Meal.
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