Cardiothoracic Imaging
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SPECT nuclear imaging cameras




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The SPECT camera is a large scintillation crystal connected to multiple photo-multiplier tubes which detect radiation emanating from the body. The technology of single photon emission tomography arises from positioning the camera head at multiple angles around the body accumulating as many as 180 of views at specific angular intervals. A certain number of counts are obtained from each view. In some cases multi-headed cameras are used to increase the speed of acquisition. Software then allows integration of all individual projection views into a composite data set which can be re-displayed as tomographic slices.

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December 18, 2004 (PL)
version b.003