Empty antrum: Low risk
Solid content: High risk
Clear fluid: depend on volume evaluation
The star in this clip indicates echogenic (solid) content and high risk for aspiration for pre-operative assessment.
Tapioca balls
(retained for 24 hours in a 9-year-old boy’s stomach)
Gastric Ultrasound for the Regional Anesthesiologist and Pain Specialist.
Reg Anesth Pain Med. 2018 Jul 27. doi: 10.1097/AAP.0000000000000846
Point-of-care gastric ultrasound and aspiration risk assessment: a narrative review
Can J Anaesth. 2018 Apr;65(4):437-448. doi: 10.1007/s12630-017-1031-9
