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Bernstein test

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Bernstein test

(Science: investigation) a test used to diagnosis gastrooesophageal reflux disease. This test is performed in a doctors office or lab and requires that the patient swallow 3 tiny tubes into the stomach. A mixture of hydrochloric acid (like stomach acid) and saline are alternatively injected into the tubes. The patient then reports any symptoms they may have. Some patients may vomit.