case_images: PMC9479748_01
case_images: Coronary angiography revealed aneurysmal left circumflex artery with no significant disease in the left anterior descending or right coronary artery.
case_images: mdcvj-18-4-1159-g1.jpg
case_images: PMC9479748_01_mdcvj-18-4-1159-g1.jpg
case_images: F1
case_images: The left anterior descending and right coronary artery both had minimal disease (Figure 1).
case_images: (A) Three-chamber view on transthoracic echocardiogram shows the cystic structure with no contrast flow after normal saline injection. (B) Four-chamber view on transesophageal echocardiogram showing the cystic structure in relation to the left atrium. (C) Tethered posterior leaflet.
case_images: mdcvj-18-4-1159-g2.jpg
case_images: PMC9479748_01_mdcvj-18-4-1159-g2.jpg
case_images: F2
case_images: An unusual cystic structure was visualized posterior and lateral to the left atrium (Figure 2 A). The study suggested features of an unroofed coronary sinus atrial septal defect but was not conclusive due to significant clot burden (Figures 2 B, C; Video 1).
case_images: Transesophageal echocardiogram with color Doppler showing severe mitral regurgitation. see also at https://youtu.be/CDsc0Bmqym0
case_images: .jpg
case_images: PMC9479748_01_.jpg
case_images: V1
case_images: A large thrombosed coronary sinus and aneurysmal left circumflex were visualized (Figure 3).