Valve Atrioventricular Left

The left atrioventricular valve (LAV) is one of the key components of the human cardiac system. It is also known as the left atrioventricular valve (LAV). The function of the PAV is to regulate the flow of blood between the left atrium and the left ventricle of the heart.

Atrioventricular valves are structures that separate the atria and ventricles of the heart. They provide unidirectional blood flow, allowing it to flow freely from the atria to the ventricles during systole (contraction of the heart) and preventing reverse flow during diastole (relaxation of the heart).

The LAV consists of two half-valves: front and rear. Each of them has a thin structure made up of connective tissue called notochord. The chordae connect the hemi-valves to the muscle tissue of the heart, ensuring their stability and correct position.

During systole, when the left ventricle contracts, the LAV closes to prevent blood from flowing back into the left atrium. Then, as the left ventricle relaxes during diastole, the PAV opens, allowing blood to fill the ventricle again and preparing it for the next contraction.

PAV dysfunction can lead to various heart diseases. For example, insufficiency of the LAV can cause blood to flow back from the ventricle into the atrium, resulting in decreased efficiency of the heart pump. PAV stenosis, on the other hand, means that the valve is narrowed or narrowed, making it difficult for blood to flow normally.

Treatment for PAV dysfunction may include conservative methods, such as drug therapy, or surgery, including valve repair or replacement. Modern medicine offers various methods of replacing the valvular heart, including mechanical and biological prostheses, which help restore normal heart function and improve the quality of life of patients.

In conclusion, the left atrioventricular valve (LAV) or left atrioventricular valve (LAV) plays an important role in the cardiac system by ensuring proper blood flow between the left atrium and the left ventricle. Understanding its function and possible dysfunctions helps in diagnosing, treating and improving the health of patients with heart disease.