AA	Ascending aorta
DA	Descending aorta
BCT	Brachiocephalic trunk
BMI	Body mass index
CCA	Common carotid artery
CNR	Contrast-to-noise ratio
CTA	Computed tomography angiography
CX	Circumflex artery
DECT	Dual-energy CT
HU	Hounsfield units
IRB	Institutional Review Board
LAD	Left anterior descending artery
LM	Left main coronary artery
PCCT	Photon-counting CT
RCA	Right coronary artery
ROIs	Regions of interest
TAVI	Transcatheter aortic valve implantation
VMI	Virtual monoenergetic imaging
VNC	Virtual Non-Contrast Imaging