Coronary CT

Coronary CT is an auxiliary test used to check whether the arterial blood vessels are normal. CT equipment mainly has the following three parts: ① the scanning part is composed of X-ray tube, detector and scanning frame; ② computer system, the information and data collected by the scan are stored and calculated; ③ the image display and storage system will be processed by the computer, The reconstructed image is displayed on a TV screen or taken with multiple cameras or laser cameras. The number of detectors has grown from one to 4,800. Scanning methods have also evolved from translation / rotation, rotation / rotation, rotation / fixation to newly developed spiral CT scans. The computer has a large capacity and fast calculation, which can achieve immediate reconstruction of the image, and CT angiography can be obtained by injecting a contrast agent for angiography. The corresponding symptoms can be judged by the above-mentioned instrument inspection.

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