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A double-chambered right ventricle (DCRV) is a rare congenital heart disease and an uncommon cause of congestive heart failure. An anomalous muscle band divides the right ventricle into two cavities: the proximal high-pressure chamber and the distal low-pressure chamber. Most cases are diagnosed and treated during childhood. Furthermore, there is a tendency for progression, if not treated early. Echocardiography is considered useful for the diagnosis of this ailment. Most of the patients have associated congenital anomalies, such as ventricular septal defect, pulmonary stenosis, and subaortic stenosis. Isolated DCRV is a rare entity. Hence, we report a case of an isolated DCRV in an adult patient., Competing Interests: There are no conflicts of interest., (Copyright: © 2020 Journal of Cardiovascular Echography.)

Competing Interests: The authors have no financial conflicts of interest.

Competing Interests: The authors have no financial conflicts of interest.

Competing Interests: The authors have no financial conflicts of interest.

Atrial myxomas are the most common primary heart tumors. Two-dimensional echocardiography is the diagnostic procedure of choice. The majority of myxomas are located in the left atrium. Myxoma in the right atrium is an uncommon location. The co-occurrence of right atrial myxoma with atherosclerotic coronary artery disease (CAD) is uncommon. In our case, right atrial myxoma was associated with CAD, which makes it a unique case because very few cases of right atrial myxoma coexistent with CAD are described in literature., (Copyright: © 2020 Journal of Cardiovascular Echography.)

Single atrium (SA) is one of the rare congenital anomalies in which there is a complete absence of the atrial septum without an endocardial cushion defect associated with the absence of malformation of the atrioventricular (AV) valves. The term "common atrium" is used to denote the condition where there is a complete absence of the atrial septum or it is represented by a small strand of tissue present at the superior atrial wall of the common chamber, absence of interventricular communication, and accompanying AV cushion defect. Our patient demonstrated typical echocardiographic features of three-chambered heart (SA), which is a rare entity., Competing Interests: There are no conflicts of interest., (Copyright: © 2020 Journal of Cardiovascular Echography.)

Raghib syndrome is a rare developmental complex consisting of termination of the left superior vena cava in the left atrium, absence of the coronary sinus, and an atrial septal defect commonly located at the posterior-inferior angle of the atrial septum. This complex was considered unique to Raghib syndrome; however, cases with a normal atrial septum have been reported where the orifice of the unroofed coronary sinus functions as the inter-atrial communication. Our patient demonstrated an isolated persistent left superior vena cava draining into the left atrium through unroofed coronary sinus and presence of ostium primum atrial septal defect., (© 2019 Wiley Periodicals, Inc.)