Cereset Research For Chronic Nausea

Inclusion Criteria: * Subjects with chronic drug- refractory, nausea and vomiting (ages 18 and up) * Solid-phase gastric emptying studies show either normal gastric emptying or delayed gastric emptying * Referring physician will confirm eligibility based on Rome-IV criteria * Normal upper endoscopy or upper GI series and normal gallbladder tests * Stable gastrointestinal symptoms with total GCSI score of greater than or equal to 21 * Ability to sign informed consent * Ability to comply with basic instructions and be able to sit still, comfortably during sessions * Willingness to complete the EGG and WLST Exclusion Criteria: * Non-gastrointestinal disorders which could explain symptoms in the opinion of the investigator * Active H pylori infection * Significant hepatic injury (elevated ALT, AST, bilirubin) * Metabolic, mechanical, or mucosal inflammatory causes to explain GI symptoms such as inflammatory bowel disease, celiac disease, liver or pancreatic disease, or bowel obstruction * Patients with significant cardiac or cardiovascular disease, malignancy, or other comorbid conditions * Use of narcotics more than three days per week or other drugs that affect motility (that cannot be held) * Previous diagnosis or history of neurocardiogenic syncope, orthostatic hypotension, etc. * Patients with pace makers * Use of beta blockers which can interfere with heart rate variability recording * Unable, unwilling, or incompetent to provide informed consent/assent * Physically unab…