Gastrointestinal imaging

Gastrointestinal imaging can identify the location and extent of bleeding in the digestive tract, providing useful information for clinical treatment. Basic Information Specialist classification: Digestive examination classification: ultrasound Applicable gender: whether men and women apply fasting: fasting Tips: Forbidden to eat before checking. Normal value Normal value standing imaging, the normal value of half-row time of mixed food stomach was 24±7.6min, solidity was 51±12min; the normal value of semi-fixed food in the semi-fixed food was 37.25±15.7min. The gastric emptying curve of the solid food initially showed little or no discharge, and then showed a single exponential decrease similar to liquid discharge; the liquid component in the mixed food was evacuated from the stomach faster than the solid food, and its emptying curve approximated the single index. curve. Clinical significance Abnormal gastrointestinal hemorrhagic lesions have diffuse gastric mucosal islands on the small intestine, ie ectopic gastric mucosa, small intestinal leiomyosarcoma, "blue rubber-like sputum syndrome" (Bean's syndrome), intestinal varices, colonic arterial trauma A pseudoaneurysm, abdominal aneurysm rupture, angiosarcoma and other diseases. People who need to be examined: young patients with sputum, anal fissure, colonic inflammatory disease, especially in patients with ulcerative colitis. Precautions Taboo before inspection: eating. Requirements for inspection: follow the doctor's arrangements. Inspection process 99mTc-RBC imaging of the film acquisition and display positioning gastrointestinal bleeding, each computer image was acquired in 15 seconds, collected for 15 minutes, compared with the standard static image acquired once every 1 frame, 5 minutes apart. Not suitable for the crowd A patient who is allergic to an imaging agent. Adverse reactions and risks No complications.

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