Rodríguez-Artuza , Carlos, Héctor Barajas, José Rivera, Emilio Clavel, and Mayela Labarca. “Acquired Long QT Syndrome and Torsades De Pointes After Mitral Valve Replacement Surgery”. JOURNAL OF CARDIAC ARRHYTHMIAS 34, no. 2 (May 22, 2021): 53–56. Accessed September 22, 2021. https://jca.org.br/jca/article/view/3424.