Critical Diagnostics announced the clinical study, “Head-to-head comparison of two myocardial fibrosis biomarkers for long-term heart failure risk stratification: ST2 vs. Galectin-3,” recently published online in Journal of the American College of Cardiology (JACC) comparing the company’s cardiac biomarker ST2 to Galectin-3 (Gal-3), a biomarker from BG Medicine, found ST2 to be superior.