Catheter Reflux Testing
This is a test performed over a 24 hour period to determine how frequently fluid and/or gas from the stomach refluxes into the oesophagus.

This is a test performed over a 24 hour period to determine how frequently fluid and/or gas from the stomach refluxes into the oesophagus.
Oesophageal manometry provides information about the function of the oesophagus.
Breath tests are most commonly used to diagnose small intestinal bacterial overgrowth (SIBO) and malabsorption of sugars such as lactose or fructose.