by Centro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P.) Cardiac magnetic resonance images used to study distinct aspects of cardiac anatomy and function. (A and B) Atria. (B and C) Ventricles. (E and F) Cardiac tissue characterization. Credit: CNIC Magnetic resonance imaging (MRI) has allowed scientists at the Centro Nacional de Investigaciones Cardiovasculares (CNIC) to...