OGDS is a short form for oesophagogastroduodenoscopy. This is a procedure to see the oesophagus(swallowing pipe),gastric organ(Stomach) and duodenum(early part of small intestine.
Apart from seeing the above organs we are also able to take samples(biopsy) ,remove small growths(eg Polyp ) , remove foreign bodies which are accidentally swallowed)eg-(coins/nails)
OGDS is useful in detecting inflammation of the stomach(gastritis), inflammation esophagus(reflux esophagitis),inflammation of the duodenum,growth or cancers, ulcers, narrowing(strictures) and swollen blood vessels(varices)
People who has heart burn, non heart related chest pain and chest discomfort, difficulty in swallowing(dysphagia),painful swallowing(odynophagia)unexplained vomiting.upper abdominal pain burning sensation(usually known to layman as gastric pain),bloating,frequent belging( burping).