Participants
upper gastrointestinal surgery, dyspepsia
UPPER GI BLEEDING
Patients who were scheduled for elective gastroscopy from January to August 2021 were invited to participate voluntarily in this study. Patients aged more than 18 years old with symptoms of dyspepsia and agreed to participate in the study were included. Those with history of upper gastrointestinal surgery, clinically unstable condition and with active upper GI bleeding were excluded from the study. Pregnant lady and patients who were on nasogastric feeding tube were also not eligible for this study as it may interrupt the measurement of GRV. This study was conducted in the Endoscopy Unit, Hospital Universiti Sains Malaysia, Kubang Kerian, Malaysia.A total of 80 patients who fulfilled the inclusion criteria were selected for randomisation process. Written informed consent was obtained before randomization.