Left atrioventricular orifice information

The left atrioventricular orifice (left atrioventricular opening or mitral orifice) is placed below and to the left of the aortic orifice. It is a little...

The right atrioventricular orifice (right atrioventricular opening) is the large oval aperture of communication between the right atrium and ventricle...

Atrioventricular opening may refer to: Right atrioventricular orifice Left atrioventricular orifice This disambiguation page lists articles associated...

between the inferior vena cava and the right atrioventricular orifice/tricuspid valve.[citation needed] The orifice is usually guarded by the valve of coronary...

The aortic orifice (aortic opening) is a circular opening, in front and to the right of the left atrioventricular orifice, from which it is separated by...

posterior pads project inwardly, they merge to form a right and left atrioventricular orifice. When forming intra-atrial septa, atrio-ventricular valves will...

valve or left atrioventricular valve, is one of the four heart valves. It has two cusps or flaps and lies between the left atrium and the left ventricle...

which divides the canal into two channels, the future right and left atrioventricular orifices. This article incorporates text in the public domain from page...

right and left atrium. They all end in atrioventricular node. This latter node lies on the floor of atrioventricular septum, just above the orifice of Coronary...

of His. The right and left fibrous rings of heart (annuli fibrosi cordis) surround the atrioventricular and arterial orifices. The right fibrous ring...

system of the heart, it transmits the electrical impulses from the atrioventricular node (located between the atria and the ventricles) to the point of...

right atrium from the orifice of the IVC and inserts into the lower portion of the interatrial septum adjacent to the atrioventricular valves. However, higher...

about 70 beats per minute. Impulses from the sinus node reach the atrioventricular node which acts as the secondary pacemaker. The cells of the AV node...

venous connection, persistent left superior vena cava with unroofed coronary sinus, ventricular septal defect, atrioventricular septal (endocardial cushion)...

in AF, either to block the atrioventricular node after implantation of a pacemaker or to block conduction within the left atrium, especially around the...

atrial septum; its origin is outside of the heart. Below the opening of the orifice of the coronary sinus they fuse to form a triangular thickening — the spina...

sound (S2). The pulmonary orifice lies nearly in the horizontal plane, and is situated at a superior level than the aortic orifice. At the apex of the infundibulum...

Thebesian valve, after Adam Christian Thebesius) is a valve located at the orifice of the coronary sinus where the coronary sinus drains into the right atrium...

septum. The atrial canal is in turn divided into a right and left side by the atrioventricular septum, which originates from the union of the dorsal and...

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contraction. Between the atrium and ventricle is an ostial valve called the atrioventricular valve, and between the bulbus arteriosus and ventricle is an ostial...

CSA} C S A = π r 2 {\displaystyle CSA=\pi r^{2}} where: CSA is the valve orifice cross sectional area, r is the valve radius, and, VTI is the velocity time...