Atrial septal defect 2: A rare heart malformation involving the presence of an abnormal opening between the two atrial chambers of the heart which allows abnormal mixing of oxygenated and deoxygenated blood. The severity of the symptoms depends on the size and location of the defect with mild cases being asymptomatic until adulthood. Atrial septal defect 2 is caused by a mutation on chromosome 8p23.1-p22. More detailed information about the symptoms, causes, and treatments of Atrial septal defect 2 is available below.
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Atrial septal defect 2 is listed as a "rare disease" by the Office of
Rare Diseases (ORD) of the National Institutes of Health
(NIH). This means that Atrial septal defect 2, or a subtype of Atrial septal defect 2,
affects less than 200,000 people in the US population.
Source - National Institutes of Health (NIH)
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