what are the Recommendations for Diagnosis of Secondary MR
Referenced studies that support the recommendations are
summarized in Online Data Supplement 31.?
In patients with chronic secondary MR (Stages B to D), noninvasive imaging (stress nuclear/ PET, CMR, or stress echocardiography), coronary CT angiography, or coronary arteriography is useful to establish etiology of MR and to assess myocardial viability.