Medical conditions such as gastroesophageal reflux disease (gerd), acid reflux, hiatal hernia and heartburn can lead to false results on a dui breath test let’s say you were pulled over for dui you had had a drink or maybe two—but nowhere near enough alcohol to make you feel intoxicated. Acid reflux breath test. The ph test the ph test for acid reflux (gastroesophageal reflux disease or gerd) measures how often and for how long stomach acid enters the esophagus, and how well it clears the esophagus performed with a thin, plastic tube armed with a sensor, it measures the amount of acid backing up into the esophagus.
acid reflux breath test
