Costa, Raquel, Joana Fontes, Tiago Mendes, Joana Faria Silva, and Bárbara Sousa. “A Rare Case of Second-Degree Atrioventricular Block and Takotsubo Syndrome”. European Journal of Case Reports in Internal Medicine 8, no. 6 (June 1, 2021). Accessed May 25, 2024. https://www.ejcrim.com/index.php/EJCRIM/article/view/2619.