Lexic.us

Definition of Atrial septal defect

1. Noun. An abnormal opening between the left and right atria of the heart.

Medical Definition of Atrial septal defect

1. 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 (12 Jan 1998)

Lexicographical Neighbors of Atrial Septal Defect

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