what is coronary cta
Coronary CT Angiography Coronary CT Angiography. A Coronary CTA is a heart-imaging test which non-invasively determines whether either fatty deposits or calcium deposits have built up in the coronary arteries. According to the statistical data from the World Health Organization (WHO), coronary artery disease is one of the top causes of death. It mainly results from degenerative blood vessels or the formation of lipid-containing plaques which gradually block the bloodstream.