Atrial septal defect is an abnormal hole in the fibrous membrane separating the two smaller, collecting chambers of the heart (atria). There are no clear reasons for the development of septal defects.

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 MRI ...

What are the ECG findings of a secundum type atrial septal defect versus the primum type of atrial septal defect? The ECG of a patient with an atrial septal defect (ASD) should show a right bundle ...

https://doi.org/10.1086/678509 • https://www.jstor.org/stable/10.1086/678509 Copy URL AbstractPatients with early repair of an isolated atrial septal defect (ASD ...

An innovative trans-catheter device closure of a secundum Atrial Septal Defect (ASD) or a hole in the centre of the wall between the two upper chambers of the heart in a 16-month-old baby girl Ovi has ...

Beijing Zhongke Journal Publising Co. Ltd. Congenital heart defects (CHDs) are the most common birth defects, occurring in approximately 0.9% of live births. Sadly, they are also the leading cause of ...

An atrial septal defect is the persistence of a hole (the foramen ovale) in the wall (septum) between the right atrium and left atrium of the heart. The foramen ovale usually closes spontaneously ...

An atrial septal defect is an opening or hole in the wall that sits between the heart’s two upper chambers. The heart’s upper chambers are called the right and left atria. Some people refer to atrial ...

† Primum (2 patients), secundum (68 patients) and sinus defects (4 patients). § Surgical branch of the study. TEE = Transesophageal echocardiography. *Children and adults. † Percutaneous branch of the ...