Water-siphon test

The water siphon test may be performed as part of a barium swallow to assess for gastro-oesophageal reflux in a hiatal hernia. It is performed in the supine RPO position with the patient drinking water continuously. The test is said to be positive if there is visible barium reflux in the oesophagus.

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Article information

rID: 46726
Synonyms or Alternate Spellings:
  • Crummy test
  • Water siphon test

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