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 ?
5 /PRNewswire/ -- The presence of a tract, or separation, in the inner wall of the heart's atrial septum appears to be a strong predictor of elevated stroke risk among patients with patent foramen ovale (PFO), according to a study being presented today at the American Heart Association Scientific Sessions by cardiologists from Allegheny General Hospital (AGH) in Pittsburgh.
Hemangiomas composed of dilated structures that occur in the atrial septum have been separately classified as venous malformations.
2,3] The sites of origin in the heart parallel the anatomic distribution of visceral autonomic paraganglionic tissue, chiefly arising from the roof of the atria and atrial septum and from the branchiomeric aortopulmonary paraganglia.
35-37) During TEE, agitated normal saline contrast is typically injected into a peripheral vein during the strain phase and the atrial septum is imaged during the release phase of a Valsalva maneuver.
The phasic excursion of the atrial septum throughout the cardiac cycle is readily apparent.
Lipomatous hypertrophy of the atrial septum is typically detected in patients older than 50 years and is more common in women.
coenobita in having closely arising and extended epigynal teeth, posteriorly situated atrium, and the broad, round spermathecae but can be distinguished by the presence of atrial septum and separated spermathecae (Figs.
4,10) These are intracavitary, are usually located in the left atrium (Figure 18) and are attached to the atrial septum.
A doctor's examination revealed that a part of his atrial septum had begun to grow scar tissue, which obstructed blood flow.
Robert was one of the first two children to have the procedure, performed by cardiologist Dr Joseph De Giovanni and known as the Atrial Septum Defect Occluder System.
The foramen ovale is a flap or tunnel-shaped hole in the atrial septum, the wall that divides the upper two chambers of the heart, which forms during fetal development to allow blood to travel through the heart without going to the lungs.