case_images: PMC7342330_01
case_images: Preoperative point-of-care gastric ultrasound in the supine position 3 hours after discontinuation of the polyethylene glycol solution. The gastric antrum is observed next to the left lobe of the liver with a target sign, which suggests an empty stomach. DAo, descending aorta.
case_images: CEG-13-245-g0001.jpg
case_images: PMC7342330_01_CEG-13-245-g0001.jpg
case_images: F0001
case_images: Target pattern was confirmed in the supine position, which demonstrated an empty stomach (Figure 1).
case_images: Point-of-care gastric ultrasound in right lateral decubitus position. There is a small amount of clear liquid in the stomach. The cross-sectional area of the gastric antrum was 2.65 cm2.
case_images: CEG-13-245-g0002.jpg
case_images: PMC7342330_01_CEG-13-245-g0002.jpg
case_images: F0002
case_images: Only a small amount of the liquid was observed in right lateral decubitus position (RLD) and the cross-sectional area of the gastric antrum was 2.65 cm2, which is equal to 0.24-0.42 mL/kg (Figure 2).
case_images: Image obtained during esophagogastroduodenoscopy. There was minimal residual gastric fluid which could not be aspirated into the suction canister.
case_images: CEG-13-245-g0003.jpg
case_images: PMC7342330_01_CEG-13-245-g0003.jpg
case_images: F0003
case_images: EGD revealed that the stomach was empty with limited aspiration of any residual fluid (Figure 3).