Gastric POCUS Clear Liquids

Gastric Emptying for Liquids of Different Volumes In Adults

To determine the gastric emptying time for clear liquids at different volumes in the adult population, for use in determining anesthesia guidelines.

Inclusion Criteria:

• Age 18-65
• Able to provide informed consent and verbally disclose their medical history in English. The study staff will not be accessing the subjects electronic medical record to verify the criteria.

Exclusion Criteria:

• Daily medications excluding oral contraceptives
• Medical conditions affecting gastric emptying, including diabetes, known gastric condition, prior gastric surgery, or pregnancy
• Inability to tolerate 7 hours of fasting
• Non-empty gastric antrum on baseline ultrasound