Examples of using Left atrium in English and their translations into Vietnamese
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Pulmonary veins move oxygenated blood to the left atrium of the heart.
This blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle.
The pulmonary vein returns oxygenated blood to the left atrium of the heart.
High in the upper part of the left atrium is a muscular ear-shaped pouch- the left atrial appendage.
In some patients, blood clots form in the left atrium.
The left atrium is supplied mainly by the left circumflex coronary artery, and its small branches.
This pouch can protrude into the right atrium or the left atrium.
The mitral valve is between the left atrium and left ventricle.
With the child's first breath,the lung sends oxygenated blood to the left atrium.
It merges with the oblique vein of the left atrium to form the coronary sinus,[1] which drains into the right atrium. .
In some people,the leak worsens to create a significant backflow of blood into the left atrium.
He made an opening in the appendage of the left atrium and inserted a finger in order to palpate and explore the damaged mitral valve.
The researchers also found that in midday sleepers pulse wavevelocity levels were 11% lower and left atrium diameter was 5% smaller.
Tumors in other parts of the heart, such as the left atrium, can cause a heart murmur by affecting the blood flow through the heart.
The mitral valve(/ˈmaɪtrəl/), also known as the bicuspid valve or left atrioventricular valve, is a valvewith two flaps in the heart, that lies between the left atrium and the left ventricle.
If there is a clot in the right side of the heart, it can cross the PFO,enter the left atrium, and travel out of the heart and to the brain, causing a stroke.
The oblique vein of the left atrium is partly responsible for venous drainage; it derives from the embryonic left superior vena cava.
The impulses that cause our hearts tobeat are born in a small area of the left atrium, which is called the sinoatrial or atrial node.
It receives tributaries from the left atrium and from both ventricles: one, the left marginal vein, is of considerable size, and ascends along the left margin of the heart.
The left vessel joins with this third vessel,and travels along the pulmonary artery and left atrium, ending in the inferior tracheobronchial node.
The left atrium receives the oxygenated blood from the left and right pulmonary veins, which it pumps to the left ventricle(through the mitral valve) for pumping out through the aorta for systemic circulation.[2][3].
Finally, the blood exits each lung through two large pulmonary veins andis carried to the left atrium to be pumped back into the systemic circulation once again.
An excess of dermatan sulfate in the mitral valve is characteristic of myxomatous degeneration of the leaflets leading to redundancy of valve tissue and ultimately,mitral valve prolapse(into the left atrium) and insufficiency.
The interatrial septum separates the right atrium from the left atrium and this is marked by a depression in the right atrium- the fossa ovalis.
As a result, pressure in the left atrium is higher than that of the right, and the increased pressure holds the interatrial flap(which covers the foramen ovale) shut, therefore closing the foramen ovale as well.[2] In normal development, the closed foramen ovale fuses with the interatrial wall.
The contraction of the heart is caused by a special site-a sinus node located in the eye of the left atrium, it generates electrical impulses with the necessary organism at this time.
The ascending aorta is covered at its commencement by the trunk of the pulmonary artery and the right auricula, and, higher up, is separated from the sternum by the pericardium, the right pleura, the anterior margin of the right lung, some loose areolar tissue, and the remains of the thymus; posteriorly,it rests upon the left atrium and right pulmonary artery.
Then the oxygen-enriched blood comesback to the left-side filling chamber called left atrium and then moves to the left-sided pumping chamber called left ventricle.
During fetal development,the foramen ovale allows blood to pass from the right atrium to the left atrium, bypassing the nonfunctional fetal lungs while the fetus obtains its oxygen from the placenta.
The valve opens and closes because of pressure differences,opening when there is greater pressure in the left atrium than ventricle, and closing when there is greater pressure in the ventricle than atrium. .