Impact of Atrial Fibrillation on Right Ventricular Diastolic Function in Heart Failure with Preserved Ejection Fraction: A Case Report. acmcr [Internet]. 2020 Jan. 2 [cited 2026 Sep. 11];4(1):1-7. Available from: https://fortunejournals.org/ojs/index.php/acmcr/article/view/22265