Case 1. A 60-year-old woman gave a history of transient palpitation for many years. Eight years previously, an attack of cardiac irregularity was accompanied by faintness and giddiness and was ...

Beijing Zhongke Journal Publising Co. Ltd. Congenital heart defects (CHDs) are the most common birth defects, occurring in approximately 0.9% of live births. Sadly, they are also the leading cause of ...

An atrial septal defect is the persistence of a hole (the foramen ovale) in the wall (septum) between the right atrium and left atrium of the heart. The foramen ovale usually closes spontaneously ...