Medical Terminology Radiology/Nuclear Medicine

medical specialty concerned with the study of x-rays
medical specialty that uses radioactive substances in the diagnosis and treatment of disease
nuclear medicine
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physician who specializes in the practice of diagnostic radiology
physician who specializes in the diagnostic nuclear medicine procedures
nuclear medicine physician
allied health care professional who works with physicians in the fields of radiology and nuclear medicine
radiologic technologist
health care professional who aids physicians in administering diagnostic x-ray procedures
When a substance permits passage of most x-rays it is ______________.
When a substance absorbs most of the x-rays they are exposed to it is _________.
previously neutral particles that have been changed to charged particles
process of using low-dose x-rays to visualize breast tissue
diagnostic x-ray procedure where a cross-sectional image of a specific body segment is produced
computed tomography
process of using CT scanner to produce a 3D image of a beating heart and surrounding blood vessels
CT angiography
radiopaque materials are injected to help visualize a specific part, organ, tube, or liquid when shown on x-ray film
contrast studies
study of the esophagus, stomach and duodenum after ingestion of contrast medium
upper GI series
study that traces the passage of barium in a sequential manner as it passes through the small intestine
small bowel follow through
study of the large intestine after administration of contrast
barium enema
study that uses both radiopaque and radiolucent contrast medium
double-contrast study
x-ray image of blood vessels and heart chambers is obtained after injection of contrast through a catheter
x-ray imaging after injection of contrast into bile ducts
x-ray imaging after injection of contrast directly into the common bile duct
endoscopic retrograde cholangiopancreatography
x-ray imaging of the bile ducts after injection of contrast through the skin and into the liver
percutaneous transhepatic cholangiography
x-ray image of contrast-injected blood vessels is produced by taking two x-ray pictures (one without and one with contrast) and using a computer to subtract obscuring shadows on the second image
digital subtraction angiography
x-ray of the endometrial cavity and fallopian tubes after injection of contrast through vagina
x-ray of the spinal cord after injection of contrast into subarachnoid space
x-ray imaging of the renal pelvis and urinary tract
x-ray imaging of renal pelvis and urinary tract after contrast is injected
intravenous pyelogram
x-ray imaging of renal pelvis and urinary tract after administration of contrast through catheter
retrograde pyelogram
x-ray imaging of the urinary tract after administration of contrast
invasive therapeutic or diagnostic procedures performed by a radiologist
interventional radiology
use of x-rays and a fluorescent screen to produce real-time video images
removal of tumors and tissues using interventional radiology
radiofrequency ablation
diagnostic technique that uses of high-frequency sound waves to obtain images of organs and tissues
hand-held device that sends and receives ultrasound signals
record produced by an ultrasound
ultrasound technique used to detect heart valve and blood vessel disorders
ultrasound technique that records blood flow velocity and detect obstructions in the blood vessels
Doppler ultrasound
technique where a small ultrasound transducer installed at the end of an instrument is inserted into the body to obtain images
endoscopic ultrasonography
diagnostic technique where electromagnetic energy is used to obtain sharply defined images on a variety of planes
magnetic resonance imaging
x-ray position where x-rays travel from a source in back of the patient to a detector placed in front of the patient
posteroanterior view
x-ray position where x-rays travel from a source in front of the patient to a detector placed in back of the patient
anteroposterior view
x-ray position where x-rays travel from a source located to the right of the patient to a detector placed to the left of the patient
lateral view
x-ray position where x-rays travel in a slanting direction at an angle from the perpendicular plane
oblique view
movement away from the midline of the body
movement toward the midline of the body
turning outward
turning inward
lengthening or straightening a limb
bending a part of the body
lying down on the side
lateral decubitus
lying on the belly
lying on the back
lying down (prone or supine)
substance that gives off high-energy particles or rays as it disintegrates; radioisotope
substance that gives off high-energy particles or rays as it disintegrates; radionuclide
time required for a radioactive substance to lose half of its radioactivity by disintegration
most frequently used radionuclide with a half-life of six hours
technetium 99m
process, test, or procedure is performed, measured, or observed outside of the body
in vitro
in vitro procedure that combines the use of radioactive chemicals and antibodies to detect hormones and drugs in a patient’s blood
process, test, or procedure is performed, measured, or observed within the body
in vivo
radionuclides are used as tags, or labels, attached to chemicals and followed as they travel through the body
tracer studies
the combination of a radionuclide and a drug/chemical; radiolabeled compound
used to determine the distribution and localization of the radiopharmaceutical in various organs, tissues, and fluids
gamma camera
procedure of making an image by tracking the distribution of radioactive substance in the body
radionuclide scanning
the rate of absorption of the radiopharmaceutical into an organ or tissue
imaging procedure where a radiopharmaceutical is given intravenously or by inhalation to diagnose clots in the lung
lung scan
radiopharmaceutical is given intravenously to assess how readily blood moves through the capillaries of the lungs
perfusion studies
radiopharmaceutical is inhaled filling the air sacs of the lung
ventilation studies
imaging procedure where radionuclide is injected intravenously and a scan is taken for better visualization of infection, inflammation, or tumors involving the skeleton
bone scan
type of nuclear medicine imaging that provides pictures of the lymphatic system to specifically identify a sentinel lymph node, areas of blockage, or lymphedema
radionuclide technique where radioactive glucose is incorporated into the tissues to be scanned and an image is made showing where the glucose is or is not being metabolized
positron emission tomography
radionuclide technique involving the injection of a radioactive tracer and the computer reconstruction of a 3D image based on a composite of many views; used for detecting liver tumors, detecting cardiac ischemia, and evaluating bone disease
single photon emission computed tomography
radiopharmaceutical is injected and traced to heart muscle; an exercise tolerance test is use with it for an ETT-MIBI scan
technetium Tc-99m sestamibi scan
radionuclide is injected intravenously to evaluate myocardial perfusion
thallium scan
iodine radionuclide is administered orally and scan reveals the size, shape, and position of the thyroid gland
thyroid scan
study performed to assess the function of the thyroid after the patient is given radioactive iodine
radioactive iodine uptake scan

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