LOM chapter 20 – Flashcards
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what is the medical specialty that studies the characteristics and uses of radioactive substances in diagnosis of disease
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nuclear medicine
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specializes diagnostic techniques such as ultrasound, MRI, and CT scans
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radiologist
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absorbs most of the x-rays it is exposed to
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radiopaque
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metallic powder is introduced to the large intestine and x-rays are taken
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barium enema
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x-ray of the renal pelvis and urinary tract after injecting dye into a vein
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IVP
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x-ray of spinal cord
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myelogram
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an x-ray of a joint
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arthrogram
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term that best describes an x-ray test to show an organ in depth
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tomography
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magnetic and radio waves are used to create image
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CT scan
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sagittal, frontal, and cross-sectional images are produced using magnetic and radio waves
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MRI
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which x-ray view is the patient upright with the back to the x-ray machine and the film to the chest
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PA view
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movment toward the midline of the body
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adduction
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substance that gives off high-energy particles or rays
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radioisotope
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which test is radiopharmaceutical injected intravenously and traced within the vessels of the lung
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perfusion study of the lung
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experiments are performed in a living organism
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vivo test
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what can liver and spleen scans detect
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cirrhosis and splenomegaly due to abcess or tumor
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interventional radiologists perform all of the following except...
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placement of drainage catheter
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what is Thallium-201
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contrast material
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in which procedure is a transducer used
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ultrasound
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system to replace a traditional films with digital equivalents
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PACS
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radiopharmaceutical used in a PET scan
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FDG
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protocol for transmission between imaging devices
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DICOM
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technique using a radioactive substance and a computer to create three- dimensional images
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SPECT
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obstructing the passage of x-rays
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radiopaque
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permitting the passage of x-rays
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radiolucent
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aids physicians in performing ultrasound procedures
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radiographer
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radioactive element that gives off energy in the form of radiation
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radionuclide
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radioactive drug administered for diagnostic purposes
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radiopharmaceutical
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transformation of stable substances into changed particles
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ionization
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study of uses of radioactive substances in the diagnosis of disease
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nuclear medicine
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radiopaue substances are given and x-rays taken
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contrast studies
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use of motion picture techniques to record x-ray images
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cineradiography
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radioactive substance is given intraveneously and a cross-sectional image is created of cellular metabolism based on local concentration of the radioactive substance
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psitron emission tomography
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echoes of high frequency sound waves are used to diagnose disease
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ultrasonography
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x-ray beams are focused from the body onto an image intensifier that glows as a result of the ionizing effect of x-rays
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fluroscopy
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a magnetic field and radio waves are used to form images of the body
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magnetic resonance imaging
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x-ray pictures are taken circularly around an area of the body and a computer synthesizes the information into a composite axial picture
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computed tomography
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theraputic procedures are performed by radiologist under the guidance of fluoroscopy or ultrasound
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interventional radiology
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test performed outside a living organism
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in vitro
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radioactive drug that is administered safley for diagnostic and theraputic purposes
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radiopharmaceutical
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imaging technique in which a radiopharmeceutical is given intravenously and taken up by bone tissue followed by scanning to detect the amount of radioactive substance
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bone scan
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myelography is for the
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spinal cord
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pyelography is for the
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renal pelvis of kidney and urinary tract
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angiography is for the
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blood vessels
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arthrography is for the
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joints
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upper GI series is for the
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esophagus, stomch, and small intestine
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cholangiography is for the
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bile vessels (Ducts)
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barium enema is for the
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lower gastrointestinal tract
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hyterosalpingography is for the
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uterus and fallopian tubes
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turning outward
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eversion
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use of motion picture techniques to record a reies of x-ray images using fluroscopy
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cineradiography
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measurment or observation within a living organism
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in vivo
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permitting passage of most x-rays
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radiolucent
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rate of absorption of a radionuclide into an organ or tissue
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uptake
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a procedure in which something is measured or observed outside a living organsim
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in vitro
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the emission of glowing light resulting from exposure to and absorption of radiation
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fluroscence
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radioactive form of a substance
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radiostope
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process(two dimensional) used to detect radioactivity emitted in diagnostic imaging
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scintigraphy
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x-ray record of the uterus and fallopian tubes
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hyterosalpingography
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radioactive substances produce cross-sectional images of regions of the body
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positron emission tomography
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radioactive drug that is administered for diagnostic or theraputic purposes
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radiopharmeceutical
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pertaining to treatment
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theraputic
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obstructing the passage of x-rays
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radiopaque
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diagnostic x-ray procedure in which cross-sectional images are made of specific body segments
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computed tomography
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x-ray record of the renal pelvis
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intravenous pyelography
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process of recording x-ray images of bile vessels
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cholangiography
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x-ray position; lying down and on ones side
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later decubitus
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process of recording sound waves in order to produce an image of the heart
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echocardiography
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radionuclides are used as tags attached to chemicals and followed throughout the body
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tracer studies
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test of blood flow to the heart
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99m technetium sestambi scan
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time required for a radioactive substance to lose half its radioactivity by disintergration
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half-life
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high energy rays emitted by radioactive substances
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gamma rays
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theraputic procedures performed by a radiologist
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interventional radiology
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transformation of electrically neutral substances into electrically charges particles
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ionization
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diagnostic x-ray procedure whereby a cross-sectional and other images of a specific body segment are produced
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computed tomography
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materials are injected to obtain contrast with surrounding tissue when shown on x-ray film
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contrast studies
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materials to detect gamma rays emitted from radiopharmaceauticals during scanning for diagnostic purposes
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gamma camera
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magnetic field and radio waves produced images of the body in three planes
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magnetic resonance
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radiopharmeceutical used in nuclear medicine
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labeled compound
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test that combines radioactive chemicals and antibodies to detect minute quantities of substances in a patients blood
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radioimmunoassay
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radioactive form of an element; radionuclide
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radiostope
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medical specialty concerned with the study of x-rays and their use in the diagnosis of disease
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radiology
