Gastric Ultrasound for Estimation of the Aspiration Risk Study

The purpose of this research study is to look at the effectiveness of current anesthesia guidelines regarding food and drink prior to surgery in patients who are likely to have food and drink remain in their stomach longer than might ordinarily be expected.

Inclusion Criteria: * Presenting for upper GI endoscopy procedures or surgical repair of a trauma- related injury * Expected to have an oral-gastric tube placed as part of scheduled procedure * Willing to undergo an ultrasound exam * Patients ≥ 18 years of age Exclusion Criteria: * Unwilling to undergo an ultrasound exam * Oral-gastric tube placement is not indicated * Oral-gastric tube placement is contraindicated * Pregnant patients and patients from defined vulnerable populations (ex. pediatric patients, mentally handicapped patients, prisoners, etc.) * Surgical trauma patients who are not expected to have an OG tube placed during surgery * Patients with history of gastric bypass surgery * Patients that are gastrostomy tube dependent