The purpose of this study is to evaluate the utility of a new device - an external wireless patch system (WPS) - to measure gastric motility and to compare this external wearable device with the most commonly used test to measure stomach emptying, the nuclear medicine gastric emptying scan (also called gastric scintigraphy).
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Subject willingness to wear a wireless patch system (WPS)
Timeframe: 7 days