Introduction Blood cysts in the heart are often recognized as benign. They usually do not cause clinical symptoms and are often found in infants younger than two months of age. In most cases, blood cysts are attached to cardiac valves or their supporting structures. Cardiac blood cysts in adults are extremely rare, especially in the chambers of the heart. Here, we report a case of valvular heart disease complicated with a blood cyst in the right atrium. Transthoracic echocardiography, contrast […]