The debate over the best type of radiology, analog or digital, is ongoing as new improvements along with new problems and concerns continue to fuel the fire. Analog and Digital, both have their own share of positive and negative aspects. Here, we will look at the three types of radiology that can be used in modern vet clinics, and describe the “pros” and “cons” of each type. The three types are: Digital Radiology, Computed Radiology, and Analog Radiology.
Digital radiology, or DR, refers to a computer-based form of X-ray technology that uses digital imaging instead of traditional X-ray film to create medical images. It requires the use of new x-ray machines built with a digital detector. (Degree Dictionary) This allows an image to be taken, much like with a digital camera and projected on a computer screen. There are two types of digital imaging devices that can be used; flat panel detectors and High Density Line Scan Solid State detectors. Each one uses radiation. However, each has different imaging processes. (Degree Dictionary) Computed radiography, or CR, uses photostimulate phosphor plates to obtain digital images. This type of radiology stores the images on a plate with phosphors that are activated and retained when the image is taken. A laser then scans the plate, which is converted to digital format. The results are fed directly into a computer for viewing. (Karr, 2008) Traditional radiology, also known as film screen or analog, stores images on a photographic plate. This works by an X-ray tube generating a beam of X-rays, which is aimed at the patient. The X-rays are filtered through a device called an X-ray filter and strike an undeveloped film, which is held tightly to a screen of light-emitting phosphors in ...
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...is most useful and most cost effective for their practice.
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technologist will always be in demand because they are the one's who conduct the diagnostic
Radiology technology is a science of using radiation to produce images. There are many jobs you can perform in diagnostic imaging usually a radiologic technologist will oft...
Computed tomography (CT) and Radionuclide imaging (RNI) are both a form of diagnostic imaging. Since they have been first introduced in medical imaging they both suffered a huge development over the years in terms of image acquisition and also patient radiation protection. The following essay it is going to focus on just a few important things that make CT and RNI similar and different in the same time. However this subject can be discussed in much depth, the focus is going to be on the similarities and differences of the physics imaging methods and also a small awareness of biological effects and radiation protection.
CTscans stands for “Computed Tomography”. It is a way of looking inside your body using a special camera. It is an advanced scanning x-ray and computer system that makes detailed pictures of horizontal cross-sections of the body, or the part of the body that is x-rayed. A CT scan is a diagnostic test that combines the use of x-ray with computer technology. A series of x-beams from many different angles are used to get these cross-sectional images of the patient’s body. In a computer, these pictures are assembled into a 3-dimentianal picture that can display organs, tissues, bones, and any such thing. It can even show ducts, blood vessels and tumors. One of the advantages of CT is that it clearly shows soft tissue structures (such as brain), as well as dense tissue structure (such as bone). The pictures of a Ctscanner are a lot more detailed than the pictures of a regular X-ray machine. It can make pictures of areas protected or surrounded by bones, which a regular X-ray machine can not. Because of this, a CT scanner is said to be 100 times as affective and clever as an ordinary X-ray, and can therefore diagnose some diseases a lot earlier and quicker. It is recent technology that has made it possible to accurately scan objects into a computer in three dimensions, even though the machines and ideas were developed in the 1970s. In the 70s doctors started to use this new type of machine that could give detailed pictures of organs that the older type of x-ray, machine could not give.
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