kinn's Chapter 50
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| angiocardiography | Radiography of the heart and great vessels using an iodine contrast medium.
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| angiography | Radiography of blood vessels using an iodine contrast medium.
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| angioplasty | An interventional technique in which a catheter is used to open or widen a blood vessel to improve circulation.
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| anteroposterior (AP) | A frontal projection in which the patient is supine or facing the x-ray tube.
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| aortogram | Radiography of the aorta using an iodine contrast medium.
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| arteriography | Radiography of arteries using an iodine contrast medium.
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| arthrogram | Fluoroscopic examination of the soft tissue components of joints with direct injection of a contrast medium into the joint capsule.
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| axial projections | Radiographs taken with a longitudinal angulation of the x-ray beam; sometimes referred to as semiaxial projections.
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| bucky | A moving grid device that prevents scatter radiation from fogging the film.
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| cathartics | Laxative preparations.
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| computed tomography (CT) | A computerized x-ray imaging modality that provides axial and three-dimensional scans.
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| contrast media | Radiopaque substances used to enhance the visibility of soft tissues in imaging studies.
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| coronal plane | The plane that divides the body into anterior and posterior parts.
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| coulombs per kilogram (C/kg) | The international unit of radiation exposure.
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| dosimeter | A badge for monitoring radiation exposure of personnel.
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| embolization | An interventional technique in which a catheter is used to block off a blood vessel to prevent hemorrhage.
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| fluoroscopy | Direct observation of an x-ray image in motion.
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| frontal projection | A radiographic view in which the coronal plane of the body or body part is parallel to the film plane; AP or PA.
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| gantry | A doughnut-shaped portion of a scanner that surrounds the patient and functions, at least partly, to gather imaging data.
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| Gray (Gy) | The international unit of radiation dose.
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| intravenous urogram (IVU) | Radiographic examination of the urinary tract using intravenous injection of an iodine contrast medium.
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| latent image | Invisible changes in exposed film that become an image when the film is processed.
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| lateral projections | Radiographic views in which the sagittal plane of the body or body part is parallel to the film.
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| limited radiography | Usually in an outpatient setting, that does not require the same credentials as for professional radiologic technology; also called practical radiography.
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| lower gastrointestinal series | Fluoroscopic examination of the colon, usually using rectal administration of barium sulfate as a contrast medium; also called a barium enema.
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| magnetic resonance imaging (MRI) | An imaging modality that uses a magnetic field and radiofrequency pulses to create computer images of both bones and soft tissues in multiple planes.
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| myelography | Fluoroscopic examination of the spinal canal with spinal injection of an iodine contrast medium.
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| NPO | Nothing by mouth.
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| nuclear medicine | An imaging modality that uses radioactive materials injected or ingested into the body to provide information about the function of organs and tissues.
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| oblique projections | Radiographic views in which the body or part is rotated so that the projection is neither frontal nor lateral.
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| phosphors | Fluorescent crystals that give off light when exposed to x-rays.
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| posteroanterior (PA) | A frontal projection in which the patient is prone or facing the x-ray film or image receptor.
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| rad | The conventional unit of radiation dose.
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| radiograph | An x-ray image.
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| radiographer | A person qualified to perform radiographic examinations.
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| radiography | The process of taking diagnostic images using x-rays.
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| radiologist | A physician who specializes in medical imaging or therapeutic applications of radiation.
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| radiolucent | Pertaining to a substance that is easily penetrated by x-rays; these substances appear dark on radiographs.
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| rem | The conventional unit of radiation dose equivalent.
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| roentgen (R) | The conventional unit of radiation exposure.
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| sagittal plane | The plane that divides the body into right and left parts.
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| Sievert (Sv) | The international unit of radiation dose equivalent.
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| sonography | An imaging modality that uses sound waves to produce images of soft tissues.
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| tracers | Radioactive substances administered to patients for nuclear medicine imaging procedures.
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| transducer | The part of the sonography machine that is in contact with the patient.
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| transverse plane | The plane that divides the body into superior and inferior parts.
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| upper gastrointestinal (UGI) series | Fluoroscopic examination of the esophagus, stomach, and duodenum using oral administration of barium sulfate as a contrast medium.
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