Cardiac Autonomic Function in Long COVID-19 Using Heart Rate Variability: An Observational Cross-Sectional Study.
Antônio da Silva MenezesAline Andressa SchröderSilvia Marçal BotelhoAline Lazara ResendePublished in: Journal of clinical medicine (2022)
Patients with long COVID-19 had lower HF values than healthy individuals. These variations are associated with increased parasympathetic activity, which may be related to long COVID-19 symptoms and inflammatory laboratory findings.