atrium of the heart


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Noun1.atrium of the heart - the upper chamber of each half of the heartatrium of the heart - the upper chamber of each half of the heart
atrial auricle, auricle, auricula atrii - a small conical pouch projecting from the upper anterior part of each atrium of the heart
auricular appendage, auricular appendix, auricula - a pouch projecting from the top front of each atrium of the heart
atrium - any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart)
atrium dextrum, right atrium, right atrium of the heart - the right upper chamber of the heart that receives blood from the venae cavae and coronary sinus
atrium sinistrum, left atrium, left atrium of the heart - the left upper chamber of the heart that receives blood from the pulmonary veins
References in periodicals archive ?
After visiting her doctor, the 89-year-old was diagnosed with degenerative mitral regurgitation (DMR), a heart condition in which the leaflets of the mitral valve do not close completely, causing blood to flow backward and leak into the left atrium of the heart.
Depending on whether the veins are blocked as they drain into the right atrium of the heart, this can cause the child to look blue and experience respiratory difficulties.
These Phase II results show that this novel treatment approach has the potential to reduce stress to the heart and to reduce enlargement of the left atrium of the heart, which occurs in patients with heart failure," said Dr Scott Solomon, Professor of Medicine at Harvard University and Director of Noninvasive Cardiology at Brigham and Women's Hospital in Boston, USA.
Mr MacDonald added: "The one that killed her punctured her left lung and went into the left atrium of the heart.
The left atrium of the heart is difficult to access but is where some of the most complex arrhythmias--irregular heartbeats--occur.
Paul MN) was cleared to market its Across Transseptal Access System, aimed at improving control and simplifying the procedure used to access the left atrium of the heart during surgery.
ProRhythm's proprietary balloon catheter to treat tissue in the left atrium of the heart is used in an AF ablation procedure commonly called pulmonary vein isolation.
Benign primary hemangioma of the right atrium of the heart.