caption: The water test is done with the patient in the supine position and turned up slightly on the left side.
exif: {"Image DocumentName": "The water test is done with the patient in the supine position and turned up slightly on the left side.", "Image ImageDescription": "This slight left posterior oblique (LPO) position fills the fundus with barium. The patient is asked to swallow a mouthful of water through a straw. Under fluoroscopy, the radiologist closely observes the esophagogastric junction. A positive water test occurs when significant amounts of barium regurgitate into the esophagus from the stomach.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}