2024年1月30日 · What is an atrial septal aneurysm? An atrial septal aneurysm is a congenital (present at birth) anomaly of your heart. When present, it means there’s extra tissue in the wall that separates the two upper chambers (atria) of your heart. Sometimes, this extra tissue is visible on an echocardiogram.

1995年6月1日 · It is unknown whether the redundancy of the atrial septum itself or ASA-associated structural defects are related to the pathogenesis of atrial arrhythmias. Overall, a relatively high prevalence of atrial tachyarrhythmias was noted in the present study (47 of …

cardiography revealed a redundant interatrial septum that showed striking phasic motion. The differential diagnosis and clinical implications are discussed in light of available previous reports of interatrial septal aneurysms. Index terms: Aneurysm • Heart septal defects, atrial Cleve Clin Q 53:105-108, Spring 1986

2023年6月22日 · An atrial septal aneurysm (ASA) occurs when a bulge forms in the atrial septum, the membrane separating the heart's upper left and upper right chambers (atria). The atrial septum usually is relatively immobile, but it can sometimes enlarge, become hypermobile, and protrude into the left or right atrium.

An atrial septal aneurysm (ASA) is defined by redundant tissue of the central interatrial septum, encompassing the fossa ovalis, with resultant hypermobility of the septum and protrusion >15 mm into the left or right atrium.

2016年4月2日 · To better characterize the mass, the patient underwent cardiac MRI which demonstrated a mobile structure in the left atrium that appeared to be tethered to the atrial septum (Figure C) and was characterized as a “redundant atrial septum.”

Three-dimensional TEE and X-plane showing redundant and aneurysmal atrial septal tissue with multiple fenestrations. Although the ASA is large and mobile, biplane imaging demonstrates respirophasic variation and predominant positioning into the …

Atrial septal aneurysm is a congenital cardiac abnormality that is characterized by saccular formation of the interatrial septum. Redundant atrial septal tissue results in bulging of the septum into either or both atria during the cardiac cycle.

2024年8月16日 · The excess motion or dancing of the inter-atrial septum (IAS) is a discernible phenomenon in routine echocardiographic examinations, delineated by the presence of redundant tissue exhibiting or lacking an aneurysmal bulge.

Atrial septal aneurysms (ASAs) are often seen during routine cardiac imaging, though their clinical rele-vance has been poorly defined. The aneurysmal, and often mobile, inter-atrial septum is frequently asso-ciated with other clinically relevant structural cardiac abnormalities, particularly patent foramen ovale (PFO).