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RAD 100
Ch 1 Introduction to Radiologic and Imagine Sciences
| Term | Definition |
|---|---|
| bone densitometry (BD) | measurement of bone density using dual energy x-ray absorptiometry (DEXA or DXA) to detect osteoporosis |
| cardiac interventional radiography (CI) | radiologic procedures for the diagnosis and treatment of diseases of the cardiovascular system |
| computed tomography (CT) | recording of a predetermined plane in the body using an x-ray beam that is measured, recorded, and then processed by a computer for display on a monitor |
| diagnostic medical sonography | visualization of deep structures of the body by recording the reflections of pulses of ultrasonic waves directed into the tissue |
| echocardiography | ultrasonographic imaging of the heart and associated vasculature |
| energy | capacity to operate or work |
| ionization | any process by which a neutral atom gains or loses an electron, this acquiring a net charge |
| magnetic resonance imaging (MRI) | process of using a magnetic field and radiofrequencies to create sectional images of the body |
| mammography | radiography of the breast |
| nuclear medicine technology | branch of radiology that involves the introduction of radioactive substances into the body for both diagnostic and therapeutic purposes |
| positron emission tomography (PET) | the creation of sectional images of the body that demonstrate the physiologic function of various organs and systems |
| radiation | energy transmitted by waves through space or through a medium |
| radiation therapy | branch of radiology involved in the treatment of disease by means of x-rays or radioactive substances |
| radiography | making of records (radiographs) of internal structures of the body by passing x-rays or gamma rays through the body to act on specially sensitized film or an imaging plate or system |
| radiologic technologist (R.T.) | general term applied to an individual who performs radiography, radiation therapy, or nuclear medicine |
| radiologist | physician who specializes in the use of x-rays and other forms of both ionizing and nonionizing radiation in the diagnosis and treatment of disease |
| radiologist assistant (R.A.) | an advanced-level radiographer who extends the capacity of the radiologist in the diagnostic imaging environment, thereby enhancing patient care |
| radiology | branch of the health sciences dealing with radioactive substances and radiant energy and with the diagnosis and treatment of disease by means of both ionizing (e.g., roentgen rays) and nonionizing (e.g., ultrasound) radiation |
| roentgen ray | synonym for x-ray |
| vascular interventional radiography (VI) | radiologic procedures for the diagnosis and treatment of diseases of the vascular system |
| x-ray | electromagnetic radiation of short wavelength that is produced when electrons moving at high velocity are suddenly stopped |
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