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Background Cardiac involvement in coronavirus SARS-CoV-2 infection (COVID-19) has been reported in a sizeable proportion of patients and associated with a negative outcome;furthermore, a pre-existing heart disease is associated with increased mortality in these patients In this prospective single-center case-control study we investigated whether COVID-19 patients present different rates and clinical implications of an abnormal electrocardiogram (ECG) compared to patients with an acute infectious respiratory disease (AIRD) caused by other pathogens Methods We studied 556 consecutive patients admitted to the emergency department of our hospital with symptoms of AIRD;324 were diagnosed to have COVID-19 and 232 other causes of AIRD (no-COVID-19 group) Standard 12-lead ECG performed on admission was assessed for various kinds of abnormalities, including ST segment/T wave changes, atrial fibrillation, ventricular arrhythmias, and intraventricular conduction disorders Results ECG abnormalities were found in 120 (37 0%) and 101 (43 5%) COVID-19 and no-COVID-19 groups, respectively (p = 0 13) No differences in ECG abnormalities were found between the 2 groups after adjustment for clinical and laboratory variables During a follow-up of 45 ±16 days, 51 deaths (15 7%) occurred in the COVID-19 and 30 (12 9%) in the no-COVID-19 groups (p = 0 39) ST segment depression ≥0 5 mm (p = 0 016), QRS duration (p = 0 016) and presence of any ECG abnormality (p = 0 027) were independently associated with mortality at multivariable Cox regression analysis Conclusion Among patients hospitalized because of AIRD, we found no significant differences in abnormal ECG findings between COVID-19 vs no-COVID-19 patients The ECG on admission was helpful to identify patients with increased risk of death in both groups of patients
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Journal_of_Clinical_Medicine
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Electrocardiographic Findings and Clinical Outcome in Patients with COVID-19 or Other Acute Infectious Respiratory Diseases
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