An Italian heart surgeon holds the world’s smallest artificial heart, which was implanted in a baby, in Rome Published April 14, 2016 at 450 × 300 in An Italian heart surgeon holds the world’s smallest artificial heart, which was implanted in a baby, in Rome ← Previous Next → An Italian heart surgeon holds a tiny titanium pump, the world’s smallest artificial heart, which was implanted in a baby, at the Bambino Gesu’ Hospital in Rome May 24, 2012. REUTERS/Alessandro Bianchi