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由于心肌供血骤减,造成心肌坏死,心肌纤维消失或残存少量心肌,大部分为纤维疤痕组织所替代,导之局部心室壁变薄,收缩力明显减弱以至消失,当四周的正常心肌收缩时而坏死区心肌膨出,形成室壁膨胀瘤。 室壁瘤发病率差异极大。我们观察到与发病年龄,工作性质,劳动强度,梗塞部位,穿透与否,梗塞范围等多因素有关。起主导因素还属梗塞部位与梗塞范围这二项。过去临床确诊率较低系检测手段落后与繁复,现阶段的彩色多普勒超声心动图检测弥补以往不足之处,大大的提高了对心内结构,血液动力学,心功能状态检测亦属至关重要的因素。
Due to sudden drop of myocardial blood supply, resulting in myocardial necrosis, myocardial fibers disappear or remain a small amount of myocardium, most of the fibrous scar tissue replacement, leading to the local ventricular wall thinning, contractility was significantly reduced or even disappear, when the normal contraction of the surrounding necrosis Myocardial swelling, the formation of wall expansion of tumor. The incidence of aneurysm varies greatly. We observed a number of factors related to age of onset, nature of work, labor intensity, site of infarction, penetrating or not, and infarct size. From the leading factor is the infarct size and infarct these two. In the past, the clinical diagnosis of lower rate of detection of backward and complex methods, the current stage of color Doppler echocardiography to make up for the deficiencies of the past, greatly improving the structure of the heart, hemodynamics, heart function status test also belongs to Important factor.