The ablation catheter was placed in left atrium by transeptal access.
经房间隔穿刺，放置左心房导管。
Conclusion The left atrium enlargement is related to atrial fibrillation.
结论左心房增大与心房颤动有密切关系。
The effect is related to the size of left atrium, the lasting time of AF.
疗效与左房大小、房颤持续时间等因素有关。
Here is a thromboembolus that originated from mural thrombus in the left atrium.
此栓子源于左心房的附壁血栓。
Parts of atrial muscle cells which were distributed in the back of the left atrium, a...
部分心房肌细胞不含有免疫反应颗粒，主要位于左房背侧壁、房间隔和冠状窦等部位。
The variations of left atrium, right ventricle and pulmonary arteries were not parelleled.
左房、右室和肺动脉段的改变不成比例。
The lateral view of angiocardiography showed two adjacent Chambers in the region of left atrium.
三房心的心血管造影表现为在侧位上相当于左房区域，有两个相邻的腔。
O. is a tunnel that connects the upper Chambers of the heart - the right atrium and the left atrium.
卵圆孔未闭会导致心脏上部腔体，即左心房和右心房之间存在一条通道连接。
The concentrations of RAS were correlated significantly with the diameter of the left atrium(P<0.01).
血浆RAS水平与左心房直径呈显著正相关（P<0.01）。
Left ventricular failure results in distention of the left atrium, engorgement of the pulmonary veins.
左心室衰竭导致左心房扩张，肺静脉充盈。
Left sleeve pneumonectomy combined with partial resection and reconstruction of left atrium in 3 cases;
袖式左全肺切除（气管-右主支气管端端吻合）合并部分左心房切除重建术3例；
Right sleeve pneumonectomy combined with partial resection and reconstruction of left atrium in 1 case;
袖式右全肺切除（左主支气管-气管端端吻合）合并部分左心房切除术1例；
Objective To explore the feasibility of partial resection of left atrium for local advanced lung cancer.
目的：分析部分左心房切除的全肺扩大切除术治疗局部晚期肺癌的可行性。
Abnormal changes in flow are evident by stasis in the left atrium, and seen as spontaneous echocontrast.
房颤时左房内可见明显异常的血流淤滞，在超声下有自发的异常显影；
The article gives an overview of the study of morphological characteristics of the left atrium with MSCT.
现就近年来多层螺旋CT对左心房形态结构的研究作一综述。
A method of chronic intubation into pulmonary artery and left atrium for measuring pressure was introduced.
本文报告狗肺动脉和左心房的插管方法。
The full left atrium function is essential to maintain the left ventricular force in hypertension patients.
正常的左房功能对维持高血压病患者的左室功能十分重要。
Myocardial sleeve fibers were found extended from the left atrium to pulmonary vein from multiple directions.
肌袖的肌纤维以不同的走行方向渐变地从左心房延续至肺门。
There is a mass lesion involving the left atrium, with a thrombus in the right atrium, from a 55 year old woman.
55岁女性病人，图示一累及左心房的肿块性病变，右心房见血栓。
Programmed stimulation was delivered at coronary sinus ostium, distal coronary sinus and lateral wall of left atrium.
分别通过冠状窦口电极、冠状窦远端电极和左房侧壁电极进行程控刺激。
OBJECTIVE: To observe mitral regurgitation (MR) flow in left atrium of mitral valve prolapse (MP) by echocardiography.
目的：观察二尖瓣脱垂病人超声心动图左房侧血流。
An atrial sound is not heard in this condition because mitral valve narrowing prevents sudden emptying of the left atrium.
心房音此时不能听到，因为二尖瓣狭窄阻止左心房突然排空。
Primary cardiac osteosarcomas are rare, accounting for only 1% of all cardiac tumors, and they usually originate in the left atrium.
原发性心脏骨肉瘤罕见，只占心脏肿瘤的1%，通常源于左心房。
Conclusion For chronic heart failure cardiac muscle cells of left atrium was characterized by hypertrophic growth of width increase.
结论慢性心衰时左心房心肌细胞为以宽度增加为主的肥大性生长。
Pupose To study the influence of left atrial diameter, area of mitral orifice and mitral regurgitation on thrombosis in left atrium.
目的研究左房内径、二尖瓣口面积、二尖瓣返流对左房血栓形成的影响。
In left area the contour and size of the left ventricle and left atrium and the shape and coaptation of the mitral valve could be visualized.
左区能显示整个左室、左房的大小，二尖瓣的形态与对合情况，二尖瓣脱垂者可见叶瓣游离缘处某一区域向左房脱出。
In left area the contour and size of the left ventricle and left atrium and the shape and coaptation of the mitral valve could be visualized.
左区能显示整个左室、左房的大小，二尖瓣的形态与对合情况，二尖瓣脱垂者可见叶瓣游离缘处某一区域向左房脱出。
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