Barium sulphate
radio paque contrast test to see kidney
Barium enema
A catheter is then placed into the affected ureter to instill the contrast medium. X-ray pictures are taken to visualize the ureter.
For an MRI or CT scan, it is usually given through an IV. For the gastrointestinal system, it is usually drunk.
A contrast medium
A contrast agent
Yes, barium is a contrast medium and is actually one of the most common of the contrast mediums used in enemas and other x-ray based tests. Iodine is another contrast medium that is quite common.
There are at least a couple of radiographic studies of the kidneys and ureters using a contrast medium. In an intravenous pyelogram, or IVP, contrast medium is injected into a vein prior to imaging. In a VCUG, contrast medium is injected into the bladder to create an image.
A radiolucent contrast medium is composed of elements with a low atomic number such as air. These contrast mediums appear dark on the radiographic image.
For x-ray examination of the lower gastrointestinal tract, the medical team typically consists of a radiologist, a radiologic technologist who operates the x-ray machine, and a nurse or medical assistant who assists the patient during the procedure. The radiologist interprets the images obtained during the examination to make a diagnosis, while the technologist ensures proper positioning and image quality.
no
Water soluble contrast media