Atrial septal defect (ASD): Symptoms, Diagnosis & Treatment

Atrial septal defect The atrial septal defect (ASD) is an opening within the wall (septum) between the two chambers that make up the heart (atria). The condition can be present from the time of birth (congenital). A few small defects may be discovered in the course of a random search and will not cause any problems. Small […]