Tests Flashcards
Faecal elastase
Low levels in stool suggest pancreatic insufficiency
Elastase 1 is a protease synthesised by pancreatic acinar cells into the duodenum.
Jejune biopsy
Removal of a piece of the mucosa lining of the upper small intestine.
Tests for coeliac disease, Crohn’s, whipped disease or intestinal infection
Anti Tissue transglutaminase antibodies
Test for celiac disease
High levels means you have the disease
Xylose test
To determine if carbohydrates are being absorbed normally.
Can distinguish if pancreatic enzymes of bile are not being released or whether there is a dysfunction in the intestines with absorption. Low levels suggest issue with GI mucosa
Patients ingest d-xylose then urine and blood are analysed.