radiology (ra-de-ol´o-je)

1. The science of high energy radiation and of the sources and the chemical, physical, and biologic effects of such radiation; the term usually refers to the diagnosis and treatment of disease. 2. The scientific discipline of medical imaging using ionizing radiation, radionuclides, nuclear magnetic resonance, and ultrasound. [radio- + G. logos, study]
cardiovascular r. the clinical subspecialty of r. concerned with diagnosis and treatment of diseases of the vascular system.
chest r. the clinical subspecialty concerned with the diagnostic r. of diseases of the thorax, especially the heart or lungs.
interventional r. the clinical subspecialty that uses fluoroscopy, CT, and ultrasound to guide percutaneous procedures such as performing biopsies, draining fluids, inserting catheters, or dilating or stenting narrowed ducts or vessels.
pediatric r. the clinical subspecialty concerned with the radiological manifestations of diseases of children.


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