contrast examination

contrast examination

the use of radiopaque materials to make internal organs visible on x-ray film. Because of their high atomic numbers, substances such as iodine and barium have an x-ray photoelectrical interaction that is nearly 400 times that of soft tissue. As a result, internal organs or cavities outlined by such substances are more visible.
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Methods to minimise the incidence of CIN include a careful consideration whether the contrast examination is absolutely needed, especially in high-risk patients; using the minimal effective dose; and eliminating potentially nephrotoxic drugs (e.
Because there was a suspecion of the presence of an oesophageal tumour, a radiographic contrast examination was performed using barium sulphate.
The examination results were positive if there was any abnormally high-enhanced region of contrast agent inside the cavity wall, in the form of pellet or ribbon, with the thickness ≥5 mm, detected by ultrasound contrast examination and it would be suspected as tumor residue; if there was no abnormally high-enhanced region which was in the form of pellet or ribbon (thickness < 5 mm), then the results were negative.
Using the hospitals' pathology results systems, the most recent creatinine (Cr) values prior to the contrast examination were recorded.
A water-soluble contrast examination of the colon failed to reveal evidence of a colonic perforation.
The initial contrast examination should therefore be performed with a water-soluble contrast medium to avoid complications from a mediastinal reaction.
DISCUSSION: Rarely Contrast examination of the GI tract is complicated by perforations.
4) By monitoring for CT findings specific for intrabdominal hollow-organ perforation as the cause of free intraperitoneal air (Table 3), CT contrast examination has been shown to be 100% sensitive in the detection of perforation of the stomach, duodenum, and colon.
The diagnosis of gastric-pleural fistula is usually made by upper endoscopy, radiographic contrast examination, or at surgery.
5X8 cm with focal areas of necrosis and moderate enhancement on post contrast examination which was suggestive of Wilms' tumor.
The topics include how to study the chest, lung consolidations and pulmonary nodules, the heart, contrast examinations of computer tomography of the gastrointestinal tract, the central nervous system, and the latest in diagnostic imaging.
Tenders Are Invited for Acquisition of direct digital RX for contrast examinations.