biostudies-literatureUnknown27(4)Utsugi YCoronavirus disease 2019 (COVID-19) is endemic worldwide. Cardiovascular disease, particularly myocarditis, is one of the most common comorbidities in patients with COVID-19. However, heart failure due to COVID-19-triggered cardiomyopathy is not well understood. Additionally, "pseudo" heart failure symptoms have been reported in patients with a compensated condition, in which the heart works well enough that symptoms are unnoticeable or very easy to manage. Here, we report a case of heart failure due to cardiomyopathy in a patient with COVID-19 and postural orthostatic tachycardia syndrome after heart failure treatment.<h4>Learning objective</h4>Postural orthostatic tachycardia syndrome (POTS) symptoms after coronavirus disease 2019 may be mistaken for heart failure symptoms; thus, it is eJournal of cardiology cases156-158https://www.ebi.ac.uk/biostudies/studies/S-EPMC9780634biostudies-literatureNoteworthy sequelae after COVID-19 pneumonia in a patient with heart failure due to cardiomyopathy.PMC9780634Doi SSuzuki NAkashi YJHarada TIshibashi YUtsugi YIzumo MKuwata SSato YfalseNoteworthy sequelae after COVID-19 pneumonia in a patient with heart failure due to cardiomyopathy.Coronavirus disease 2019 (COVID-19) is endemic worldwide. Cardiovascular disease, particularly myocarditis, is one of the most common comorbidities in patients with COVID-19. However, heart failure due to COVID-19-triggered cardiomyopathy is not well understood. Additionally, "pseudo" heart failure symptoms have been reported in patients with a compensated condition, in which the heart works well enough that symptoms are unnoticeable or very easy to manage. Here, we report a case of heart failure due to cardiomyopathy in a patient with COVID-19 and postural orthostatic tachycardia syndrome after heart failure treatment.<h4>Learning objective</h4>Postural orthostatic tachycardia syndrome (POTS) symptoms after coronavirus disease 2019 may be mistaken for heart failure symptoms; thus, it is e2023-01-01T00:00:00Z2023 Apr2025-04-05T13:22:09.832Z2024-11-20T23:16:28.552ZS-EPMC97806343657571310.1016/j.jccase.2022.12.006