Coronary calcium scanning strongly predicts heart risk -- in all ethnicities, a study finds. But is it cost-effective?
CORONARY artery calcium scanning -- a method that takes images of the coronaries and uses them to predict heart attack risk -- has soared in popularity over the last decade. But controversy has dogged the test for two reasons: a lack of scientific evidence that it can predict risk in people of all ethnicities and doubts about its cost-effectiveness.
