Bangladesh Medical Research Council (BMRC)
Atrial septal defect is one of the common cardiac malformations, approximately 6.7%1 . Although these malformation are often asymptomatic2 , if uncorrected they may lead to irreversible pulmonary hypertension, progressively declining cardiac function and early death3 . Secundum atrial septal defects occurs in 1 in 1500 live births, accounting for 10% to 15% of congenital heart defects in children and 20% to 40% of defects discovered in adults.