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Medical Imaging AHII

Study notes

diagnostic radiologist creates images by X-rays, magnetic fields, sonar and radiocativity. Images allow the doctor to make a diagnosis of the clients disease or injury.
radiationi oncologist deals with the use of radiatioin i nthe treatment of cancer
invasive imaging requires the introduction of contrast media into various systems of the body.
contrast media substances that allow internal images to be reviewed.
aniogram an image of arteries and veins filled with contrast media
ateriogram an image of arteries only of contrast media
fluroscopy imagaing process used to guide the catheter through the artery, into the heart, and then into the coronary artery. It projects the x-ray image onto fluorescent screens
external beam therapy delivered in daily doses for several weeks.
brachy therapy involves using radionuclide sources to treat tumors inside the body.
invasive procedures require contrast media
noninvasive procedures no media required
anaphylaxis severe allergic reaction
computed tomography tech. (CT or CAT) use an x-ray machine called a computed axial tomographing scanner (CT or CAT), obtains transverse cross-sectional anatomical images of the body, can give the size, shape, and locationi of a tumor or specific organ.
magnetic resonance tech. use a special machine to take longitudinal and transverse cross-sectional anaatomical images of the body. MRI contains a large electromagnetic field
Major concers for MRI no metal present on patient, room magnetic free, claustrophobic clients find it difficult to remain in the tube.
mammographer Papsmear produce diagnostic images of the breat tissue with special mammography machines, use to assist in detection and treatment of breast cancer.
radiologic technician job responsibilities transport patients, aseptic and sterile technique and SP, explain all proccedures, operate all equipement in a clean and efficient manner
safety factors for radiation protection perform procedure correctly the first time to eliminate retakes, use lead shielding aprons, gloves, partitions, and blocks during exams, shuold cover reproductive organs at all time
echocardiogram uses sound waves to create a moving picture of the heart
intravenous pyleogram looks at kidneys, bladder, ureters
sialogram looks at salivary ducts and glands
cystogram looks at urinary bladder
upper gastrointestinal exam looks at esophagus, stomach, duodenum
radiologic technologist support radiologist as the perform their duties
radiographer high demand because of the use of radiographs for medical diagnosis
echocaridogram use transducer to pick up echoes of sound waves and transmit them as electrical impulses, uses echocardiography machine and transudecer
Created by: LaurenElizabethH