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Technical Aspects of Cardiac CT - ImPACT CT Scanner Evaluation ...

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• Improved temporal resolution<br />

– Fast scan speeds, multi-sector reconstruction, dual tube<br />

• Fast volume coverage<br />

– Larger detector arrays<br />

– High pitch scanning (‘Flash’)<br />

– Spatial resolution<br />

<strong>Cardiac</strong> <strong>CT</strong><br />

– Acquired image width<br />

–Fov<br />

– Overlapping recons<br />

– Improved bloomng artefacts<br />

Harefield <strong>Cardiac</strong> Course

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