Chapter 20, Patho, Digestive System, General

technique for live X-ray images

metallic powder barium sulfate used as a contrast medium
used to see Esophagus, stomach, and duodenum

barium placed in colon
uses floroscopy and radiogrqaphy

tube placed through mouth to anus to see GI tract
used for biopsy
washings can be obtained

tube placed form nose to stomach, and small intestine
used to obtaine gastric or intestinal contents