Atrial septal defect - Wikipedia
The secundum atrial septal defect usually arises from an enlarged foramen ovale, inadequate growth of the septum secundum, or excessive absorption of the septum primum. About 10 to 20% of individuals with ostium secundum ASDs also have mitral valve prolapse .
Atrial septal defect (ASD) - Symptoms and causes - Mayo Clinic
2024年1月23日 · Types of atrial septal defects (ASDs) include: Secundum. This is the most common type of ASD. It occurs in the middle of the wall between the upper heart chambers. This wall is called the atrial septum. Primum. This type of ASD affects the lower part of the wall between the upper heart chambers.
Atrial Septal Defects in the Adult | Circulation - AHA/ASA Journals
2006年10月10日 · There are 3 major types of ASDs or interatrial communications: ostium secundum, ostium primum, and sinus venosus (Figure 1A) defects. The ostium secundum is a true defect of the atrial septum and involves the region of the fossa ovalis.
Atrial Septal Defect (ASD): Symptoms, Causes and Treatment
2022年7月15日 · An atrial septal defect (ASD) is a congenital heart defect that involves a hole in the atrial septum. This is the muscular wall that separates the two upper chambers (atria) of the heart. Small ASDs usually don’t need treatment. Larger ones may require percutaneous (nonsurgical) repair or surgery to lower the risk of serious complications.
Atrial Septal Defect - StatPearls - NCBI Bookshelf
2023年8月7日 · Ostium secundum defect: This defect occurs when there is increased reabsorption of the septum primum in the atrium's roof, or the septum secundum does not occlude the ostium secundum. Ostium secundum defects are associated with pediatric syndromes such as Noonan, Treacher-Collins, and thrombocytopenia-absent radii syndrome.
Atrial septal defect, ostium secundum type | About the Disease
An Ostium secundum atrial septal defect is a type of congenital heart defect called an atrial septal defect (ASD). An ASD is a hole in the wall (septum) between the two upper chambers of the heart (the atria).
Atrial Septal Defect (ASD) - Atrial Septal Defect (ASD) - The …
Ostium secundum: A defect in the fossa ovalis—in the center (or middle) part of the atrial septum. Sinus venosus: A defect in the posterior aspect of the septum, adjacent to the superior vena cava or inferior vena cava, and frequently associated with anomalous return of the right upper or lower pulmonary veins to the right atrium or vena cava
Ostium Secundum Atrial Septal Defects - Medscape
An ostium secundum atrial septal defect (ASD) is an abnormally large opening in the atrial septum at the site of the foramen ovale and the ostium secundum. There are several types of ASDs;...
Atrial Septal Defects - Radiology Key
2016年1月11日 · Any defect in the atrial septum other than a normal patent foramen ovale represents an atrial septal defect (ASD). ASDs are classified according to their embryogenesis, their location relative to the fossa ovalis, and their size.
Guidelines for the Echocardiographic Assessment of Atrial Septal Defect …
Ostium secundum ASD defects can vary in shape and can be elliptical or round and can contain multiple fenestrations. Ostium primum ASD occur as a result a failure of fusion of the endocardial cushions and are within the spectrum of AV septal defects.