class="kwd-title">Keywords: Rheumatic heart disease, Echocardiography, Imaging, Mitral stenosis class="head no_bottom_margin" id="sec1title">IntroductionGiant left atrium (GLA) is enlargement of the left atrium beyond sizes seen in routine clinical practice. GLA is defined by anterior-posterior measurement at end-systole on transthoracic echocardiography with a minimum diameter of 6.5 to 10 cm, depending on the authorship of the various case reports and series., , , , , GLA is the sequela of pressure and volume overload of the left atrium, which has been described as a complication of mitral stenosis, mitral insufficiency, and mitral prolapse., However, the vast majority of cases result from rheumatic heart disease (RHD) with mitral involvement., In this case report, we describe a case of RHD-associated GLA that resulted in the largest left atrial dimensions described to date.
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机译：<！-fig ft0-> <！-fig @ position =“ anchor” mode =文章f4-> <！-fig mode =“ anchred” f5-> <！-fig / graphic | fig / alternatives / graphic mode =“ anchored” m1-> class =“ kwd-title”>关键字：风湿性心脏病，超声心动图，影像学，二尖瓣狭窄 class =“ head no_bottom_margin” id =“ 简介巨型左心房（GLA）是左心房增大，超出了常规临床实践中看到的大小。 GLA是通过经胸超声心动图的收缩末期前后测量确定的，最小直径为6.5至10 cm，这取决于各种病例报告和系列的作者.GNA是压力和容量的后遗症左心房超负荷，已被描述为二尖瓣狭窄，二尖瓣关闭不全和二尖瓣脱垂的并发症。但是，绝大多数情况是由风湿性心脏病（RHD）累及二尖瓣所致。我们描述了一个与RHD相关的GLA病例，该病例导致了迄今为止描述的最大的左心房尺寸。
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