URAL FEDERAL UNIVERSITY IMAGE: THE GRAY DOTS REPRESENT THE MAPPING POINTS WHILE THE BLACK CIRCLE DENOTES THE MITRAL VALVE. CREDIT: FRONT. PHYSIOL. 10:1138. Researchers from Belgium, the Netherlands, Russia, and Italy have developed a breakthrough method for quickly, accurately, and reliably diagnosing cardiac arrhythmias. They called it Directed graph mapping (DGM). The technology principles are published...