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<br />
• Two sector<br />
– Two sectors each <strong>of</strong> 90 ° eg. Sector time = 75 ms<br />
– Each z-axis image uses data from two heart beats<br />
300 ms rotation<br />
Time for 3 ¼ rotations<br />
75 ms<br />
~1 s<br />
75 ms<br />
Time<br />
same z-axis position<br />
Harefield <strong>Cardiac</strong> Course