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Atrial septal defect

From Biology-Online Dictionary | Biology-Online Dictionary
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Atrial septal defect

(Science: cardiology) An inherited condition where there is nonclosure of the foramen ovale at birth, resulting in congenital heart disease. Usually asymptomatic until the third or fourth decades of life.

symptoms include exertional shortness of breath, fatigue and palpitations.

Acronym: asd