InvestigationsPotential resultsClinical management plan: abnormal results
1st Line
Dietary assessmentHigh intake of fizzy drinksReduce intake of fizzy drinks and discuss alternatives.
2nd Line
Abdominal X-rayFaecal loadingSee ‘constipation’ (page 6).
OGD and D2 aspirate and/or glucose hydrogen (methane) breath testSIBOTreatment for SIBO (page 17).
If all tests are negative, but symptoms persistDiscuss ‘aerophagia’ with patient.
  • OGD, oesophago-gastroduodenoscopy; SIBO, small intestinal bacterial overgrowth.