Isolated persistent left superior vena cava: A rare and unexpected finding in a patient with COVID-19 and complete heart block.

Abstract

Contained in this report is the case of a 90-year-old man with a loss of consciousness, fe ver and cough. The electrocardiogram showed third degree atrio-ventricular block with 30 bpm ven tricular escape rhythm, with no reversible causes. A transvenous pacing was attempted and after positive SARS-CoV-2 PCR he was transferred to a referral hospital with a “COVID-Cardiology” unit. Transthoracic echocardiography (TTE) showed preserved left ventricular systolic function and dilated coronary sinus (CS). D-dimer was elevated and the computed tomography (CT) pulmonary an giogram showed subsegmental pulmonary emboli, without typical COVID-19 pneumonia.