Computed Tomography

A computed tomography (CT ) or computerized axial tomography (CAT) machine is shaped like a large donut. As the patient lies in the center of the CT unit, an x-ray tube circles the patient taking multiple x-rays. A computer combines the x-ray images into cross-sectional pictures, or "slices" of the body. The absorption characteristics of the radiated tissues, effects the intensity of the x-ray beam which produces images showing internal structures such as blood clots, skull fractures, tumors and infections.

GE Sytec SRi Helical Computed Tomography Unit

The x-ray tube in the GE Sytec SRi Helical CT, rotates continuously as the patient glides through the scanning field which considerably reduces exam times. Since the exam times are shorter, an intravenous contrast can be given to a patient before the scan to enhance tissue differentiation.        

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