case_images: PMC9490291_01
case_images: The patient's chest x-ray in the upright position.
case_images: f1000research-11-136337-g0000.jpg
case_images: PMC9490291_01_f1000research-11-136337-g0000.jpg
case_images: f1
case_images: Chest x-ray taken on the upright position showed bilateral massive pleural effusion with bilateral lung oedema ( Figure 1).
case_images: The patient's initial electrocardiogram in the ER.
case_images: f1000research-11-136337-g0001.jpg
case_images: PMC9490291_01_f1000research-11-136337-g0001.jpg
case_images: f2
case_images: Electrocardiography showed tachycardic sinus waves with a rate of 132 bpm, T wave inversion in lead III and V1, and ST segment depression in lead V5-V6 ( Figure 2).
case_images: Two-dimensional transthoracic echocardiogram of the left atrial mass.
case_images: f1000research-11-136337-g0002.jpg
case_images: PMC9490291_01_f1000research-11-136337-g0002.jpg
case_images: f3
case_images: We found an oval-shaped, pedunculated mass with a dimension of 3.3 cm x 7 cm on the left atrium extending through the mitral valve into the left ventricle ( Figure 3).