Using coronary calcification to exclude an ischemic etiology for cardiomyopathy: A validation study and systematic review

Background Preliminary data suggests the absence of coronary artery calcification (CAC) excludes ischemic etiologies of cardiomyopathy. We prospectively validate and perform a systematic review to determine the utility of an Agatston score = 0 to exclude the diagnosis of ischemic cardiomyopathy. Methods and results Patients with newly diagnosed LV dysfunction were prospectively enrolled. Patients underwent CAC imaging and were followed until an...