Image Reconstruction

Abstract

Coronary CT angiography (CTA) is a three-dimensional imaging technique. The data obtained during image acquisition, however, are not immediately evident to the radiologist, as the huge amount of digital information acquired is used to reconstruct three-dimensional images of the coronary arteries, according to dedicated and complex software and protocols. The coronary arteries are tortuous, moving objects and are thus often not easily visualized. For this reason, in CTA the movements of these arteries must be “frozen,” through cardiosynchronization, during image acquisition.