An atrial septal defect of the secundum type is relatively ... sinus atrial septal defect 5 = Ostium Primum atrial septal defect The murmur produced by an ASD is due to increased flow through ...

The most frequent variant of ASD, the ostium secundum (OS) type, results from deficiency of the flap valve of the oval fossa, ranging from incomplete development, with failed overlapping to the ...

An ostium primum atrial septal defect (ASD ... bundle branch block and left axis deviation (in contrast to the secundum ASD which has a right axis deviation).

Expert Rev Cardiovasc Ther. 2007;5(6):1135-1146. Diagnosing a secundum ASD is more often than not incidental because the defect normally causes symptoms late in adult life. Echocardiography and ...

Bhopal (Madhya Pradesh): A 10-year-old girl diagnosed with OS ASD (Ostium Secundum Atrial Septal Defect) underwent a successful percutaneous closure procedure at AIIMS Bhopal. OS ASD is a heart ...