The aim of this study is to determine the relationship between changes in resting electrocardiography (ECG) ventricular repolarization parameters, transthoracic impedance cardiography (ICG) parameters, and COVID-19, to assess the relationship between ECG changes after COVID-19 and heart rhythm disorders (arrhythmias), cardiovascular events (the onset and exacerbation of cardiovascular diseases), the persistence of changes two years after the illness, and to identify prognostic ventricular repolarization parameters in patients with and after COVID-19.
It is expected that the results obtained during the study will help predict long-term cardiovascular complications in these patients, aiming to prevent them by providing recommendations for the long-term monitoring of individuals who have recovered from COVID-19. Additionally, the investigators hope to propose a new ECG ventricular repolarization parameter that could be used in the future for prognostic assessment in patients with other diseases as well.
Patient was hospitalized and treated in LUHS Kaunas Hospital for acute COVID-19 2 years ago (starting from 2022 January 1st).
During hospitalization COVID-19 was verified with PCR test from nasopharyngeal swab.
COVID-19 was not verified with PCR test from nasopharyngeal swab.
Patients who are unable to give informed consent for participation in study; vulnerable individuals: students if their participation is related to their studies, employees of healthcare institutions subordinate to the researcher, residents of social care institutions, and soldiers during their active military service.
Patients with an implanted pacemaker or cardioverter-defibrillator.
Patients whose permanent residence is not in Lithuania and who are not Lithuanian citizens.