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Diagnosis
Diagnosis is usually based on history of symptoms. Investigations such as a gastroscopy can be used, especially to make sure no Barrett's oesophagus is present, and to make sure no damage to the oesophagus has occurred.
A 24 hour pH test allows for diagnosis, and also monitoring
of patient's response to treatment. It is also possible to diagnose GORD based
on a short term treatment with PPIs, with an improvement in symptoms indicating
that the patient has the disease.
