case_images: PMC9926928_01
case_images: Electrocardiogram Indicating Atrial Fibrillation.
case_images: RMHP-16-209-g0001.jpg
case_images: PMC9926928_01_RMHP-16-209-g0001.jpg
case_images: f0001
case_images: Electrocardiographic findings indicated AF (Figure 1).
case_images: Chest X-Ray Showing an Enlarged Cardiomediastinal Silhouette.
case_images: RMHP-16-209-g0002.jpg
case_images: PMC9926928_01_RMHP-16-209-g0002.jpg
case_images: f0002
case_images: C-reactive protein level were normal. Chest X-ray showed an enlarged cardiomediastinal silhouette (Figure 2).
case_images: Echocardiogram Indicating Severe Mitral Regurgitation.
case_images: RMHP-16-209-g0003.jpg
case_images: PMC9926928_01_RMHP-16-209-g0003.jpg
case_images: f0003
case_images: Echocardiogram indicated normal left ventricular ejection fraction (63%), moderate-to-severe tricuspid regurgitation (TR), and severe mitral regurgitation (MR) with an eccentric jet direction toward the atrial septum (Figure 3).