I had a stress test with echocardiogram which was normal. LDL before starting Lipitor is 90. I don't how I cannot have significant coronary arterial blockages with such a high CAC. With a normal stress/echo any blockages are apparently less than 70%. And then there's the question of where the arterial calcification is located–artery inner lining, in the wall, etc? My calcifications are concentrated in two coronary arteries rather than scattered like buckshot throughout all the coronary arteries. And maybe collateral arteries are bypassing any blockages? I hope to find some answers when I see the cardiologist next week.