Atrial Septal Defect

An atrial septal defect (pronounced EY-tree-uhl SEP-tuhl DEE-fekt) is a birth defect of the heart in which there is a hole in the wall (septum) that divides the upper chambers of the heart (atria). An atrial ...1

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Symptoms of Atrial Septal Defect

An ASD can be small, medium, or large. Small ASDs allow only a little blood to flow from one atrium to the other. Small ASDs don't affect how the heart works and don't need any special treatment. Many small ASDs ...2

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Complications of Atrial Septal Defect

Atrial Septal Defect Complications: If an ASD isn't repaired, the extra blood flow to the right side of the heart and lungs may cause heart problems. Most of these problems don't occur until adulthood, often around age 30 or later ...3

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Causes of Atrial Septal Defect

Causes and Risk Factors: The causes of heart defects such as atrial septal defect among most babies are unknown. Some babies have heart defects because of changes in their genes or chromosomes. These types of heart defects also are thought ...4

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Causes List for Atrial Septal Defect

Some possible causes of Atrial Septal Defect or similar disorders may include:5

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Types of Atrial Septal Defect

The three major types of ASDs are:

  • Secundum. This defect is in the middle of the atrial septum and is the most common form of ASD. About 8 out of every 10 babies born with ASDs have secundum defects. At ...
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Diagnosis of Atrial Septal Defect

Doctors usually diagnose holes in the heart based on a physical exam and the results from tests and procedures. The exam findings for an atrial septal defect (ASD) often aren't obvious. Thus, the diagnosis sometimes isn't made until later in ...6

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Treatments: Atrial Septal Defect

Many holes in the heart don't need treatment, but some do. Those that do often are repaired during infancy or early childhood. Sometimes adults are treated for holes in the heart if problems develop. The treatment your child receives depends ...7

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Names and Terminology

Synonyms: Interatrial communication ...Source: GTR (NCBI/NIH)8 ...

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  1. Source: CDC NCBDDD: ncbddd/ heartdefects/ atrialseptaldefect.html
  2. Source: NHLBI (NIH): health/ health-topics/ topics/ holes/ types
  3. ibid.
  4. Source: CDC NCBDDD: ncbddd/ heartdefects/ atrialseptaldefect.html
  5. Source: Algorithmically Generated List
  6. Source: NHLBI (NIH): health/ health-topics/ topics/ holes/ diagnosis
  7. Source: NHLBI (NIH): health/ health-topics/ topics/ holes/ treatment
  8. Source: GTR (NCBI/NIH): gtr/ conditions/ C0018817/ 

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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.