Introduction:

As a consequence of the direct damage caused by the virus on the heart, electrocardiographic alterations occur.

Objective:

To determine if there is a relationship between in-hospital electrocardiographic alterations with cardiovascular history and hospital evolution.

Materials and method:

Analytical prospective cohort study in 373 patients with a positive diagnosis of disease due to the new coronavirus 2019 who were admitted to the Intensive Care Unit of the "Comandante Manuel Fajardo" Universitary Hospital (Havana, Cuba) between March 2020 and October of the same year.

Results:

The median age was 69 (IQR; 57-77), 14.2% of patients had atrial fibrillation, 8.3% right bundle branch block, and 4.8% ST-segment abnormalities. Age, history of ischemic heart disease, and diabetes mellitus were identified as independent predictor variables of electrocardiographic abnormalities (RR 1.02; 95% CI: 1.01-1.04, p = 0.007; RR 2.21; 95% CI: 1.19-4.10, p = 0.012 and RR 1.71 95% CI: 1.04-2.85, p = 0.036, respectively).

Conclusions:

The prevalence of electrocardiographic abnormalities in hospitalized patients with the new coronavirus was higher compared to other series. History of ischemic heart disease and diabetes mellitus, in addition to age, were identified as independent predictors of electrocardiographic abnormalities in patients severely affected by the new coronavirus disease 2019.

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