Nasogastric/Orogastric Tube Placement Verification Study Using RightSpot pH Indicator to Verify Gastric Acidity

Inclusion Criteria: * Patients 18 years and older * Patient or proxy willing to provide informed consent * Patients who require placement of a nasogastric/orogastric tube, in the ED or ICU, as standard of care, AND a member of the study staff is available and present for NG/OG tube placement. * It is anticipated that the patient will remain in the ED/ICU in order to obtain RightSpot pH Indicator reading and verifying CXR Exclusion Criteria: * Patients less than 18 years of age * Patient or proxy unwilling or unable to provide informed consent * Patient with known or suspected pregnancy