CHICAGO, Dec. 20, 2012 (GLOBE NEWSWIRE) -- Merge Healthcare Incorporated (Nasdaq:MRGE), a leading provider of clinical systems and innovations that seek to transform healthcare, today announced that Merge Hemo™ has been named the “Category Leader” in the “2012 Best in KLAS Awards: Software & Services” report for Cardiology Hemodynamics rankings for the second consecutive year.