
Keywords: CCTA، آنژیوگرافی توموگرافی کامپیوتری کرونری; Cardiac CT angiography; Acute coronary syndrome; Acute chest painAngio-TC cardiaca; Síndrome coronario agudo; Dolor torácico agudoCAD, coronary artery disease; CCTA, coronary computed tomography angiography; ED, emergency department; IR, iterative reconst