To observe the effect of chewing lollipop on residual gastric volume in healthy volunteers with fasting.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
TRIPLE
Enrollment
20
chewing lollipop for 20min
Xijing Hospital
Xi'an, Shaanxi, China
residual gastric volume at 30 minutes after chewing lollipop
Time frame: from starting chewing lollipop to 30 minutes after chewing, on an average of 30 minutes
residual gastric volume at 2 hours after chewing lollipop
Time frame: from starting chewing lollipop to 2 hours after chewing, on an average of 2 hours
residual gastric volume at 1 hour after chewing lollipop
Time frame: residual gastric volume at 1 hour after chewing lollipop
time to peak gastric volume
Time frame: from starting chewing lollipop to gastric volume reaching peak , on an average of 1 hour
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