interventricular septum


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Related to interventricular septum: left ventricle, ductus arteriosus

interventricular septum

[¦in·tər·ven′trik·yə·lər ′sep·təm]
(anatomy)
The muscular wall between the heart ventricles. Also known as ventricular septum.
References in periodicals archive ?
In patients with PH the echocardiographic examination may show dilatation of the pulmonary artery, hypertrophy and enlargement of the right ventricle, rectified interventricular septum with paradoxical movement, systolic dysfunction of the right ventricle, right atrium dilatation and decreased right ventricle lumen (Figure 2C e 2D).
Other less common sites of rupture in descending order include right ventricular outflow tract, left ventricle, the interventricular septum, left atrium, and extracardiac space (26).
The interventricular septum was paradoxical in 77% of patients of Group I and 87% in Group II and flat in 23% and 12.
The interventricular septum has two morphological components: the muscular and membranous portion.
In a previous report, CMR images indicating an accidental contrast agent deposition into the interventricular septum complicating left ventriculogram and subsequent myocardial infarction in a patient with suspected coronary artery disease have been reported [7].
Kramer, "The partitioning of the truncus and conus and the formation of the membranous portion of the interventricular septum in the human heart," American Journal of Anatomy, vol.
All cross sections, from cardiac apex to subvalvular base, showed broad patches of white-yellow myocardial discoloration, without obvious hemorrhage, along the free wall of the left ventricle, the free wall of the right ventricle, and within the anterior interventricular septum (Figure 1).
The thickness of the free wall of the left ventricle (mm), the thickness of the interventricular septum (mm), and the total area of the left ventricle chamber ([mm.
12) One case describes carcinoid heart disease involving the interventricular septum, presenting with palpitations and paroxysmal atrial fibrillation.
An intcratrial septum and an interventricular septum separate the right and left sides of the heart.
The echocardiography findings include normal heart dimension, hypokinetic posterior wall with delayed relaxation, diastolic dysfunction, interventricular septum = 11 mm, left ventricular posterior wall = 11 mm, ejection fraction = 55% and fractional shortening = 28%.

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