How is acid reflux diagnosed?

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How is acid reflux diagnosed?
Acid reflux disease is a chronic condition in
which the stomach's contents sometimes flow
backward, into a tube that carries food from
your throat into your stomach. A diagnosis of
acid reflux is based primarily on the symptoms
and how usually you have them. It is better to
get acid reflux treatment as soon as
possible. Diagnostic tests for acid reflux
contain the following Upper Endoscopy
Esophageal Manometry Esophageal
Manometry Esophageal pH and Impedance Monitoring