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Guides
Single photon emission computed tomography
Single photon emission computed tomography (SPECT) is a nuclear medicine tomographic imaging technique using gamma rays. It is similar to conventional nuclear medicine planar imaging using a gamma camera. However, it is able to provide true 3D information. The information is typically presented as cross-sectional slices through the patient, but can be freely reformatted or manipulated as required.
SPECT
SPECT stands for Single photon emission computed tomography which is a nuclear medicine tomographic imaging technique using gamma rays. It is very similar to conventional nuclear medicine planar imaging using a gamma camera. However, it is able to provide true 3D information. This information is typically presented as cross-sectional slices through the patient, but can be freely reformatted or manipulated as required.
Speech recognition
Speech recognition converts spoken words to machine-readable input (for example, to key presses, using the binary code for a string of character codes). In healthcare settings speech recognition applications include preparation of structured documents such as a radiology report or a pathology report.
Stent
A stent is a tube that is inserted into a natural conduit of the body to prevent or counteract a disease-induced localised flow constriction. A stent may also refer to a tube used to temporarily hold such a natural conduit open to allow access for surgery.
Telecare
Telecare is a service that enables people, especially older and more vulnerable individuals, to live independently in their own home. 90 percent of people say that that is their wish and Telecare allows it to happen. Equally it gives peace of mind to family, friends and carers, knowing that when they are unable to watch over their loved ones, Telecare will. Telecare equipment can be provided to support the individual in their home and tailored to meet their needs. It can be as simple as the basic community alarm service, able to respond in an emergency and provide regular contact by telephone.
Telehealth
Telehealth involves the delivery of health-related services and information via telecommunications technologies. Telehealth delivery could be as simple as two health professionals discussing a case over the telephone, or as sophisticated as using videoconferencing to between providers at facilities in two countries, or even as complex as robotic technology. Telehealth is an expansion of telemedicine and encompasses preventive, promotive and curative aspects.
Ultrasound
Ultrasound is cyclic sound pressure with a frequency greater than the upper limit of human hearing. Ultrasound is typically used to penetrate a medium and measure the reflection signature or supply focused energy. The reflection signature can reveal details about the inner structure of the medium. Ultrasound-based diagnostic medical imaging techniques are used to visualise muscles, tendons, and many internal organs, their size, structure and any pathological lesions with real time tomographic images.
X-ray
X-rays are a form of electromagnetic radiation. For health care applications, a X-ray system sends individual x-ray particles, called photons, which pass through the body. A computer or special film is used to record the images that are created. Structures that are dense (such as bone) will block most of the x-ray particles, and will appear white. Metal and contrast media (special dye used to highlight areas of the body) will also appear white. Structures containing air will be black and muscle, fat, and fluid will appear as shades of gray.
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