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ambulatory esophageal pH testing

24 hour ambulatory esophageal pH testing evaluates acid exposure of the distal esophagus due to gastroesophageal reflux. Endoscopy may be indicated prior to this procedure.

Related

gastroesophageal reflux disease (GERD)

General

clinical procedure

References

  1. Medical Knowledge Self Assessment Program (MKSAP) 11, 14 American College of Physicians, Philadelphia 1998, 2006