40
Participants
Start Date
September 30, 2020
Primary Completion Date
August 31, 2022
Study Completion Date
October 31, 2022
Gastric ultrasound
Gastric ultrasound upon fasting, after 4 hours, and after nasogastric aspiration, to estimate gastric volume
Prince of Wales Hospital, Hong Kong
Prince of Wales Hospital, Shatin, Hong Kong
OTHER