A CT scan machine works by emitting multiple beams of radiation through the body and uses digital geometry processing to create detailed pictures, explains Medical News Today. The CT scanner moves in the shape of an arc ... More »

A computed topography scan, also known as a CT scan, uses rotating X-rays to create cross-sections of images of the body, according to the National Institute of Biomedical Imaging and Bioengineering. A computer compiles ... More »

A computed tomography, or CT, scanner is a large, doughnut-shaped medical tool that utilizes X-rays to produce cross-sectional images of the internal structures of the body. This machine is used to perform a variety of i... More »

www.reference.com Health Diagnostics & Imaging

A positron emission tomography scan can indicate heart disease, cancer, Alzheimer's and epilepsy, according to Medical News Today. Neurologists, cardiologists and oncologists frequently use PET scans in conjunction with ... More »

www.reference.com Health Diagnostics & Imaging

As of 2015, a laser tests glucose levels by penetrating the palm and striking sugar molecules, which then absorb part of the beam, explains Medical News Today. Unlike traditional glucose meters, which measure sugar level... More »

To complete a pelvic computed tomography scan, patients must lie down on a scanner table, which is then positioned inside the CT scan machine. An x-ray inside the machine quickly captures multiple images of the pelvic re... More »

www.reference.com Health Diagnostics & Imaging

A computed topography scan, also known as a CT scan, uses rotating X-rays to create cross-sections of images of the body, according to the National Institute of Biomedical Imaging and Bioengineering. A computer compiles ... More »