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pH Probe: 24
hour test to measure acidity Endoscopy: visualize inside the GI tract, look for injury, obstruction or edema. Barium Swallow or Modified Barium Swallow: can verify reflux. Milk Scan: looks at motility and how long it takes for the stomach to empty. Esophageal Manometry: measures pressure of esophagus to determine if peristalsis is working well. |