What is meant by external preparation?
Removing clothing or jewelry that might be in the way of an xray
What is meant by internal preparation?
processes such as cleansing enemas
What does a contrast media do?
provides contrast between organs and surrounding tissues
Three general types of contrast?
iodine, barium, and air
What is the contrast media of choice for GI studies?
What kind of contrast is used in colon studies and arthography?
air mixed with barium or iodine
What are abdominal studies used for?
determine the presence of foregin masses, calcifications, size and shape of major organs
What type of studies require a radiologist to be present?
What is a esophagram?
As study of the esophagus, where the patient swallows barium
What must be obtained is the intestines are being examined?
A bowel sample
How is an upper GI study preformed?
The patient drinks baruim as fluoroscopically controlled images are taken
What is a barium enema?
where a barium soluition is introduced into the colon
What is an air-contrast barium enema study?
where air is introduced along with the barium soluition to provide a double contrast
What is excretory urography?
exam of the urinary system
What is a cystogram?
study of the urinary bladder where the bladder is filled with contrast
What is a voiding cystourethrogram?
What is a endoscopic retrograde cholangiopancreatography used for?
diagnose anomalies in the biliary system or pancreas
What is an arteriogram?
visualizes arteries by injecting iodine contrast
What is a hysterosalpingogram used for?
examining the uterus and fallopian tubes, usually with an oil based contrast
What is the purpose of a lithotripsy?
to destroy stones in the kidney by use of sonic shock waves
What is a myelogram used for?
examining the subarachnoid space of the spinal cord
What is a sialogram used for?
studying the salivary glands
what is a venogran used for?