Technical Aspects of Cardiac CT - ImPACT CT Scanner Evaluation ...
Technical Aspects of Cardiac CT - ImPACT CT Scanner Evaluation ...
Technical Aspects of Cardiac CT - ImPACT CT Scanner Evaluation ...
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Multi-sector reconstruction - issues<br />
• Temporal resolution optimised only for specific heart rates<br />
• Worst case when heart rate in synchrony with tube rotation<br />
900 ms = 67 bpm<br />
300 ms rotation<br />
75 ms<br />
Time for 3 rotations<br />
same z-axis position<br />
Harefield <strong>Cardiac</strong> Course