The procedure of measuring reflux with an impedance-pH came into existence with a regular shift in new technologies surrounding the gastroenterology sector. Gastro-esophageal reflux disease (GERD) or acid reflux happens when stomach contents flush back into the esophagus causing heartburn, vomiting and chest pain. Earlier, traditional models were used to measure the acidic pH value of the esophageal tract, which helped in limited ... Read more