How Do You Know If You Have Atrial Septal Defect?
It is usually found during a checkup or routine physical exam. Because the murmur caused by an atrial septal defect can be difficult to hear, the condition may not be diagnosed right away. An atrial septal defect can be discovered in a person as an infant, child, teen, or even as an adult.
Most patients with an atrial septal defect are asymptomatic, which means that they don’t have any problems or symptoms from their atrial septal defect. Whether a person has symptoms from an atrial septal defect usually depends on the size and severity of the hole in the atrial septum. About 1 in 4 people with a small hole between the atria don’t require treatment because the hole closes on its own over time.
For most people with an atrial septal defect, no one knows exactly why it happens. In some cases, the tendency to develop an atrial septal defect may be inherited, or genetic.
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