Relative bradycardia in patients with COVID-19

Arrhythmias and other cardiovascular symptoms in patients with coronavirus disease 2019 (COVID-19) are frequently reported and are likely associated with infection-related myocarditis, ischaemia, and/or systemic proinflammatory stimulation (so-called cytokine storm). In a case series including 138 hospitalized patients, 17% (and 44% of the patients admitted to the intensive care unit) had an (unspecified) arrhythmia [[1]Wang D. Hu B. Hu C. Zhu...