Should presence of coronary artery calcifications on CT/CTA be considered as presence of vascular disease on CHA2DS2-VASc score?  

This is a great question not only for this aspect but also even defining as what counts as secondary prevention vs primary prevention etc etc. The short answer is it is not clarified in CHADSVASC but at that time they were more using the definition of "clinical CAD" so I generally do not count it bu...