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

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<strong>Cardiac</strong> <strong>CT</strong> – ECG phases<br />

• 2 definitions <strong>of</strong> phase position<br />

60% R-R<br />

Reconstruction phase<br />

R<br />

R<br />

70% R-R<br />

– Beginning <strong>of</strong> phase window (eg 60%)<br />

– Middle <strong>of</strong> phase window (eg 70%)<br />

Harefield <strong>Cardiac</strong> Course

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