In patients with atrioventricular septal defect (AVSD), the occurrence of nonsurgical AV block has been reported. We have looked for an explanation in the development of the AV conduction system.

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 ...

This paper presents serial cardiac-catheterization data showing spontaneous functional closure of large symptomatic defects in 3 infants. One had an associated moderate-sized patent ductus arteriosus ...

The septum of the heart is a wall of tissue that separates the left and right sides of the heart and enables blood to flow as it should. It consists of the atrial septum and the ventricular septum.

Atrial septal defects (ASDs) are the second most common type of congenital heart disease. The most frequent variant of ASD, the ostium secundum (OS) type, results from deficiency of the flap valve of ...

The interventricular septum separates the heart’s two ventricles and plays a vital role in maintaining correct bloodflow. Sometimes a defect can occur or be present from birth. This can increase the ...

Patent foramen ovale and atrial septal aneurysm have been identified as potential risk factors for stroke, but information about their effect on the risk of recurrent stroke is limited. We studied the ...