right atrium


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Related to right atrium: right atrium of the heart, right ventricle
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Noun1.right atrium - the right upper chamber of the heart that receives blood from the venae cavae and coronary sinusright atrium - the right upper chamber of the heart that receives blood from the venae cavae and coronary sinus
atrium cordis, atrium of the heart - the upper chamber of each half of the heart
References in periodicals archive ?
Transthoracic Echocardiography (TTE) which showed an enlarged right ventricle of 29 mm with volume overload, a dilated left atrium of 48mm, a dilated right atrium and a normal-sized left ventricle with an ejection fraction of 55%.
We reported an uncommon case of cardiac angiosarcoma presenting as right atrium rupture.
Taking less than two hours to implant, the dual-chamber, Bluetooth-enabled pacemaker connects to the hearts right atrium and right ventricle.
Jugular veins also contain special valves to prevent blood flowing back into the head from the inferior vena cava and right atrium while the head is lowered.
cannula was inserted into the right atrium via the right atrial appendage for venous return to the oxygenator.
Table 1: Alexander Olivares classifications of atrial septal aneurysm Type 1R The ASA protrudes from the midline of the atrial septum to the right atrium Type 2L The ASA protrudes from the midline of the atrial septum to the left atrium Type 3RL The maximal excursion of the ASA is toward the right atrium with a lesser excursion toward the left atrium Type 4LR The maximal excursion of the ASA is toward the left atrium with a lesser excursion toward the right atrium Type 5 The ASA movement is bidirectional and equidistant to the right as well as to the left atrium during the cardiorespiratory cycle
Adrenocortical carcinoma (ACC) is a rare and highly aggressive malignant neoplasm which can produce intravascular extension into the inferior vena cava (IVC) rarely extend into the right atrium (RA).
Transthoracic echocardiogram showed paravalvular leaks around the bioprosthetic aortic valve with moderate to severe aortic insufficiency (AI), a dilated left ventricle (LV) and additional blood flow originating at the level of the aortic valve communicating with the right atrium (RA).
1) The echo-Doppler study of her heart on this admission showed a markedly enlarged right atrium and right ventricle with a flat ventricular septum and a pulmonary arterial systolic pressure of 52 mmHg.
In a normal heart, electrical impulses start in the sinoatrial node near the top of the right atrium, causing the atria to contract and send blood down to the heart's ventricles (lower chambers).
2 cases in right atrium were attached near the opening of inferior vena cava below the opening of coronary sinus.

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