Late diagnosis of mitral valve myxomatous degeneration and obesity and tachycardia as prognostic complicating cofactors - Case report . RSD [Internet]. 2023 Jul. 28 [cited 2025 Jun. 28];12(7):e15312742570. Available from: https://ojs34.rsdjournal.org/index.php/rsd/article/view/42570