A patient complains of a decrease in pain in the epigastric region and the appearance of "coffee-thickness" vomiting. It is clear that the last meal an hour ago. Is it possible to use FGDS in this case?
a. The method can only be used on an empty stomach
b. Yes, possibly after gastric lavage
c. Yes, maybe 3-4 hours after eating
d. Yes, maybe 6-10 hours after eating
e. Yes, for urgent indications, regardless of meal times
