<prompt> Best Diagnosis for Ectopic gastric mucosa of meckels diveiculum -FluoroscopyOccult blood test in stoolUltrasound abdomenRadionuclide scan  <response>: Ans is d ie. Radionuclide scan If a Meckels diveiculum is suspected because of repeated gastrointestinal haemorrhage the abdomen can be scanned after the injection of 99Tc-labelled peechnetate intravenously. This may localise heterotopic gastric mucosa revealing the site of a meckels diveiculum in 90 of cases. - Bailey Love 