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Digital radiography is a form of radiography that uses x-ray–sensitive plates to directly capture data during the patient examination, immediately transferring it to a computer system without the use of an intermediate cassette. [1]
Disadvantages compared to IIs can include defective image elements, higher costs and lower spatial resolution. [8] In general radiography, there are time and cost savings to be made over computed radiography and (especially) film systems. [9] [10] In the United States, digital radiography is on course to surpass use of computed radiography and ...
A PACS consists of four major components: The imaging modalities such as X-ray plain film (PF), computed tomography (CT) and magnetic resonance imaging (MRI), a secured network for the transmission of patient information, workstations for interpreting and reviewing images, and archives for the storage and retrieval of images and reports.
An X-ray generator generally contains an X-ray tube to produce the X-rays. Possibly, radioisotopes can also be used to generate X-rays. [1]An X-ray tube is a simple vacuum tube that contains a cathode, which directs a stream of electrons into a vacuum, and an anode, which collects the electrons and is made of tungsten to evacuate the heat generated by the collision.
A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens.
X-ray: uses X-rays to produce images of structures within the body; video link: Contrast media for X-rays: to provide a high contrast image of the details of the viscera under study; e.g. salts of heavy metals, gas like air, radio-opaque dyes, organic iodides, etc. Echocardiography machine: sonography of the heart is done here to know its ...
XR 10-1986 (R1992, R1998, R2003) Measurement of the Maximum Symmetrical Radiation Field from a Rotating Anode X-ray Tube Used for Medical Diagnosis; XR 9-1984 (R1994, R2000) Power Supply Guidelines for X-ray Machines; XR 7-1995 (R2000) Electrical, Thermal and Loading Characteristics of X-ray Tubes Used for Medical Diagnosis
Computed radiography may refer to: Photostimulable phosphor (PSP) plate-based radiography. This is the subject most commonly referred to by the term. Computed tomography, using computer processing to generate 3D-images from multiple projectional radiographs; Digital radiography
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