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日本学者曾描述一种伴有巨大倒置 T 波的、局限于心尖部的肥厚型心肌病。本研究以西方病人为对象,比较伴有和没有巨大倒置T 波的肥厚型心肌病的临床、二维超声心动图、放射性同位素心室显像以及48小时动态心电图的特征。方法 A 组27例病人伴有而 B 组56例病人没有巨大倒置 T 波(波幅≥10mm)。临床特征包括诊断时年龄、家族史、胸疼,呼吸困难和昏厥等。在心电图上观察左室肥厚程度、有无右室肥厚以及异常 Q 波。二维超声心动图评价左室壁厚度、心室大小、室间隔不对称
Japanese scholars have described a type of hypertrophic cardiomyopathy confined to the apical region with a large inverted T-wave. This study, based on Western patients, compared clinical, two-dimensional echocardiography, radioisotope ventricular imaging, and 48-hour Holter monitoring of hypertrophic cardiomyopathy with and without giant inverted T wave. Methods A group of 27 patients with Group B 56 patients did not have a huge inverted T wave (amplitude ≥ 10mm). Clinical features include age at diagnosis, family history, chest pain, dyspnea and fainting. Left ventricular hypertrophy was observed on the electrocardiogram, right ventricular hypertrophy and abnormal Q wave. Two-dimensional echocardiography was used to assess left ventricular wall thickness, ventricular size, and ventricular septum asymmetry