Agree 100% with your statement ..."and I cannot for the life of me understand why it would not be universally considered one of the first lines of defense, and covered by insurance, since the eventual costs of treating heart disease can be so devastating. "

I had never heard of it until about a week ago. My doc suggested I get one and my CAC score is 2354. Seeing a cardiologist in three weeks to see where to go from here.