atrial septum


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Related to atrial septum: interatrial septum, Ventricular septum

atrial septum

[′ā·trē·əl ′sep·təm]
(anatomy)
The muscular wall between the atria of the heart. Also known as interatrial septum.
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References in periodicals archive ?
There was no residual shunt across atrial septum and patent ductus arteriosus.
A greater number of hot days was associated with noncritical defects, particularly of the atrial septum, but not critical defects.
12,13] Aortic regurgitation has been found in association with atrial myxomas where the tumour pedicle is attached to the atrial septum close to the aortic root.
1) Myxomas most commonly occur in the left atrium (90%) and are generally attached to the atrial septum in or adjacent to the fossa ovalis.
The atrial septum is the wall between the left and right atria (upper chambers) of the heart.
MVP is characterized by accumulation of mucinous material in valve leaflets, membranous and atrial septum, and mitral and tricuspid valve rings.
When the atrial septum remains open, pulmonary venous blood that enters the left atrium flows into the right atrium, producing a left-to-right shunt.
These are the criteria according to which the patient is suitable for percutanous closure of ASD using the Amplatzer ASD closure device: central defect; the defect with a modest deficit of one edge to 1-2 mm (aortic and inferior); an aneurysm of atrial septum with fenestration or central single defect; patients' age is older than three years.
Kalvaitis and his associates performed DE MRI exams on 62 patients with atrial fibrillation scheduled to undergo pulmonary vein antrum isolation and atrial septum de-bulking.
vignai in having closely arising and extended epigynal teeth, posteriorly situated atrium, and broad, round spermathecae but can be distinguished by the absence of atrial septum, anteriorly extended posterior atrial margin, and slightly separated spermathecae (Figs.
4,10) These are intracavitary, are usually located in the left atrium (Figure 18) and are attached to the atrial septum.