Calcium scores only reflect calcified plaque - not soft plaque. CTTA is what you need for that. Particularly for people below ~45 with significant plaque build

Calcium scores only reflect calcified plaque - not soft plaque. CTTA is what you need for that. Particularly for people below ~45 with significant plaque buildup, calcium scores are often 0 or very low, because all of the plaque is soft. This is one of the reasons CACs aren't used much in younger people - that plaque hasn't yet calcified. Soft plaque is the dangerous stuff, too - most statins actually calcify plaque, but this stabilizes it and prevents it from rupturing and the chunks entering the bloodstream.