Congenital Partial Right Pericardial Defect Associated with Herniation of the Right Atrial Appendaqe

Abstract
A case of congenital partial right pericardial defect associated with herniation of the right atrial appendage is reported. The radiological studies in this anomaly revealed certain characteristics. The routine chest roentgenogram disclosed an abnormal cardiac configuration with a smooth localized protuberance on the right cardiac border. On fluoroscopic examination this projection showed active pulsations apparently paradoxical to those of the right ventricle. Angiocardiographic examination showed herniation of the right atrial appendage through the partial pericardial defect, confirming the diagnosis.

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