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science.howstuffworks.com/cat-scan.htm

CAT scans take the idea of conventional X-ray imaging to a new level. Instead of finding the outline of bones and organs, a CAT scan machine forms a full three-dimensional computer model of a patient's insides. Doctors can even examine the body one narrow slice at a time to pinpoint specific areas.

www.medicalnewstoday.com/articles/153201.php

A CT scanner emits a series of narrow beams through the human body as it moves through an arc. This is different from an X-ray machine, which sends just one radiation beam.

www.reference.com/health/cat-scan-machine-work-c1db9a230b5cc721

How Does a CAT Scan Machine Work? According to the FDA, CAT scans rotate an x-ray source mounted opposite a detector around a patient, producing a thin, fan-shaped beam of x-rays that pass through patients' bodies one small section at a time.

www.reference.com/health/ct-scan-machine-work-6177ac72b7966a76

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.

www.radiologyinfo.org/en/info.cfm?pg=bodyct

Computed tomography, more commonly known as a CT or CAT scan, is a diagnostic medical test that, like traditional x-rays, produces multiple images or pictures of the inside of the body. The cross-sectional images generated during a CT scan can be reformatted in multiple planes, and can even generate three-dimensional images.

www.mycdi.com/blog/how-are-an-mri-and-a-ct-or-cat-scan-different

How Does an MRI Scan Work? MRI stands for Magnetic Resonance Imaging. MRI uses a powerful magnetic field, radio frequency pulses and a computer to produce images of your organs, soft tissue, bone and internal structures. As a patient, you’ll lie on a table that will slide into the machine. ... CT is an X-ray machine that’s hooked up to a ...

science.howstuffworks.com/cat-scan1.htm

Computerized axial tomography (CAT) scan machines produce X-rays, a powerful form of electromagnetic energy.X-ray photons are basically the same thing as visible light photons, but they have much more energy. This higher energy level allows X-ray beams to pass straight through most of the soft material in the human body.

www.nibib.nih.gov/science-education/science-topics/computed-tomography-ct

Source: Terese Winslow. The term “computed tomography”, or CT, refers to a computerized x-ray imaging procedure in which a narrow beam of x-rays is aimed at a patient and quickly rotated around the body, producing signals that are processed by the machine’s computer to generate cross-sectional images—or “slices”—of the body.