Evaluation of the Existence of Post-COVID-19 Tachycardia in a Community Healthcare System

Jifeng Wang, Dhaval Patel, Shane Robinson, Ania Rynarzewska, Oluseyi Abidoye


Background: Post-coronavirus disease 2019 (COVID-19) syndrome derives from lingering symptoms after an acute COVID-19 infection. Palpitation was one of the most common symptoms of post-COVID-19 syndrome that correlated with objective data such as persisting sinus tachycardia; but to our best knowledge, there is a scarcity of research regarding the association of COVID-19 and sinus tachycardia in the post-acute setting. Therefore, the purpose was to identify if there is an association between COVID-19 infection and sinus tachycardia in the post-acute phase, namely post-COVID-19 tachycardia (PCT) other than inappropriate sinus tachycardia (IST) and postural orthostatic tachycardia syndrome (POTS).

Methods: This retrospective observational study entails 1,425 patients admitted for COVID-19 infection with the interest in finding an association with PCT. The prevalence of PCT was evaluated using descriptive statistics, predictions of patient characteristics and comorbidities were identified using multinomial logistic regression, and associations between patient comorbidities and characteristics were evaluated with corresponding Pearson Chi-square test and post hoc tests Phi and Cramers V.

Results: The percentage of patients with PCT in our sample of interest was an average of 28.18%. There was a strong association of PCT with patients of age group less than 65 years. Other clinical characteristics, such as shorter length of stay, unknown smoking status, and patients with commercial type insurance, had significant association with PCT. COVID-19 severity categorized as less severe, readmission rates within 30 days, and patients with less comorbidities were more likely to be associated with PCT.

Conclusions: PCT is likely a separate entity from IST and POTS, and an important entity under the umbrella of post-COVID-19 syndrome. It warrants further studies to elucidate the underlying pathophysiology and to confirm its presence as a distinct entity.

Cardiol Res. 2024;15(1):47-55
doi: https://doi.org/10.14740/cr1604


COVID-19; Post-COVID-19 syndrome; Dysautonomia; Post-COVID-19 tachycardia

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