Autism spectrum disorder (ASD) encompasses a wide array of challenges in social interaction, communication, and repetitive ...

The updated DSM-5 (fifth edition) and DSM-5-TR (fifth edition text revision) no longer separate autism into different types. Rather, autism is now a single diagnosis — ASD — categorized by ...

Less common than the secundum type atrial septal defect, a primum ASD is usually small and less commonly requires intervention when it occurs in isolation. Frequently it is considered as a part of ...

An atrial septal defect of the secundum type is relatively common and occurs from failure of the septum secundum to develop. This results in a communication between the left and right atrium ...