Sawalha, Khalid, et al. “Always Check the Lead!… Unique Case of Cardiac Arrest Due to Pacemaker Infective Endocarditis”. Archives of Clinical and Medical Case Reports, vol. 5, no. 1, Feb. 2021, pp. 216-20, https://fortunejournals.org/ojs/index.php/acmcr/article/view/22467.