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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• Heart rate<br />
The heart<br />
– Average 60 bpm (1 beat per sec) (40 bpm – 120 bpm)<br />
– Vessels move at different speeds<br />
• Not necessarily regular<br />
– Rate increases with breath hold<br />
– Arrhythmia, ectopic beats<br />
• Length ~ 120 mm<br />
• Very fine vessels < 1mm<br />
• Plaque<br />
– calcium, fatty, s<strong>of</strong>t, fibrous<br />
Conventional angiography<br />
Harefield <strong>Cardiac</strong> Course
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