What is cardiac CT?

Updated: Nov 20, 2018
  • Author: Richard S Krause, MD; Chief Editor: Barry E Brenner, MD, PhD, FACEP  more...
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Answer

Answer

Calcium deposits are commonly found in atherosclerotic coronary plaques. The total amount of coronary calcium is predictive of future cardiac events. Cardiac computed tomography (CCT) can measure the density and extent of calcifications in coronary artery walls. The technique relies on ECG "gating" to compensate for cardiac motion. Coronary computed tomographic angiography (CCTA) allows direct visualization of the coronary artery lumen, similar to traditional angiography.


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