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