gastrointestinal disorders
Other Gastrointestinal Testing and Therapeutic Procedures
Breath tests
Breath tests typically involve ingestion of a substrate that is then metabolized by gastrointestinal bacteria or digestive enzymes. The metabolites of the ingested substrate are then measured in the exhaled breath of the patient. Various breath tests help diagnose conditions such as Diagnosis : Diagnosis : Hydrogen (H2) breath test (lactose or fructose breath test) Diagnosis : Glucose-hydrogen or 