Peter Attia· MD
when people are talking about C IMT and CA C that we're never using those in the same terms as we would think of biomarkers right so a biomarker what you've described is let's look at your LDL cholesterol or better yet your LDL particle number but remember something a CA C which is a calcium score so it's a DRI CT scan that very quickly scans over the heart and just picks up calcification no anatomic detail or a CI MT which is a type of ultrasound that looks at the intimal thickness so that's one of the walls of the arteries thickness in the carotid arteries in the neck these are both tests that are used to try to gauge advance disease