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本文讨论了7例肥厚性心肌病(HCM)的磁共振(MRI)成像;其中包括左心室腔形态,肌壁、室间隔厚度,室间隔形态以及其舒张期、收缩期变化和信号强度。测量了室间隔与左室后侧壁比值及左室心肌与室间隔的收縮增厚比。对左室流出道进行了观察。在心底部横断面测量主动脉和左房直径的比值。7例ECT,UCG检查均符合肥厚型心肌病的特征性改变,1例经心室造影证实后并行室间隔左室侧的心內膜心肌活检。
This article discusses magnetic resonance (MRI) imaging of seven patients with hypertrophic cardiomyopathy (HCM), including left ventricular cavity morphology, muscle wall, interventricular septal thickness, ventricular septal morphology, and its diastolic, systolic changes and signal intensities. The ratio of ventricular septum to posterior wall of left ventricle and systolic thickened ratio of left ventricular myocardium to ventricular septum were measured. Left ventricular outflow tract was observed. The ratio of aorta to left atrium diameter was measured at the bottom of the heart. Seven cases of ECT, UCG examination were in line with the characteristic changes of hypertrophic cardiomyopathy, 1 case confirmed by ventricular contrast after ventricular septal left ventricular endomyocardial biopsy.