Adam Roseman ARC China Medical imaging Medical imaging in nuclear medicine medical imaging "means the set of techniques and processes used to create images of the human body or parts thereof, for clinical purposes (medical procedures seeking to reveal, diagnose or examine disease) or for science medical (including the study of normal anatomy and function). As a discipline in its broadest sense, is part of biological imaging and incorporates radiology (in the broadest sense), radiological sciences, endoscopy, medical thermography, medical photography and microscopy (eg for human pathological investigations). The techniques for measuring and recording is primarily designed to produce images, such as electroencephalography (EEG) and magnetoencephalography (MEG) and others, but which produce data that can be represented as maps (ie containing positional information), can be seen as forms of medical imaging.In the clinical context, medical imaging is generally equated to radiology or the clinical and medical practitioner responsible for interpreting (and sometimes acquiring) the images, which is the radiologist. Diagnostic radiography (see x-ray) designates the technical aspects of medical imaging and in particular the acquisition of medical images. The radiographer or radiologic technologist is usually responsible for acquiring medical images of diagnostic quality, although some radiological interventions are performed by radiologists. As a field of scientific research, medical imaging constitutes a sub-discipline of biomedical engineering, medical physics or medicine depending on the context: Research and development in the area of instrumentation, image acquisition (egradiography), modeling and quantification are usually the preserve of biomedical engineering, medical physics and computer science, research in the application and interpretation of medical images is usually the preserve of radiology and medical subdisciplines relevant to the medical or area of medical science (neuroscience, cardiology, psychiatry, psychology, etc.) under investigation. Many of the techniques developed for medical imaging also have scientific and industrial applications. Medical imaging is often used to denote the set of techniques that produce images of internal aspects of the body (without opening). In this restricted sense, medical images can be viewed as the mathematical inverse problem solution. This means that the cause (the properties of living tissue) is inferred from effect (the observed signal).In the case of ultrasonography the probe consists of ultrasonic pressure waves that are reflected in the tissue, and show its internal structure. For projection radiography, the probe is X-ray radiation, which are absorbed at different rates for different types of tissues such as bone, muscle and fat.


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