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The tricuspid valve, or right atrioventricular valve, is on the right dorsal side of the mammalian heart, at the superior portion of the right ventricle.The function of the valve is to allow blood to flow from the right atrium to the right ventricle during diastole, and to close to prevent backflow (regurgitation) from the right ventricle into the right atrium during right ventricular ...
Atrioventricular (having to do with an atrium and ventricle) can refer to: Left atrioventricular opening; Atrioventricular fistula; Atrioventricular node; Atrioventricular valves, the mitral valve and tricuspid valve
The mitral valve and the tricuspid valve are known as the atrioventricular valves because they lie between the atria and the ventricles. [1] In normal conditions, blood flows through an open mitral valve during diastole with contraction of the left atrium, and the mitral valve closes during systole with contraction of the left ventricle. The ...
The cardiac conduction system (and AV node part of it) coordinates myocyte mechanical activity. A wave of excitation spreads out from the sinoatrial node through the atria along specialized conduction channels. This activates the AV node. [1] The atrioventricular node delays impulses by approximately 0.09s.
The blood in the atria is pumped into the heart ventricles through the atrioventricular mitral and tricuspid heart valves. There are two atria in the human heart – the left atrium receives blood from the pulmonary circulation, and the right atrium receives blood from the venae cavae of the systemic circulation.
Digoxin: Helps slow the heart rate by blocking the number of electrical impulses that pass through the AV node into the lower heart chambers (ventricles). E lectrocardioversion: A procedure in which electric currents are used to reset the heart's rhythm back to regular pattern.
The closure of the AV valves is heard as lub, the first heart sound (S1). The closure of the SL valves is heard as dub, the second heart sound (S2). The mitral valve is also called the bicuspid valve because it contains two leaflets or cusps. The mitral valve gets its name from the resemblance to a bishop's mitre (a type of hat).
AV: arteriovenous atrioventricular: AVF: arteriovenous fistula: AVM: arteriovenous malformation: AVN: avascular necrosis atrioventricular node: AVR: aortic valve replacement: AVSD: atrioventricular septal defect: afebrile, vital signs stable A&W A/W: alive and well associated with admitted with Ax: axillary: AXR: abdominal x-ray: AYA ...
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