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肺癌在发展过程中有各种心电图变化,随着病变扩大,病程进展其改变频率增加。(1)P—R改变:P—R延长者(>0.23″)2例(1%),QT延长22例(11%),QT缩短16例(8%)。(2)随着病程进展P波趋向尖高,表现右房P波21例(10.6%)。(3)QRS电轴:>110°者6例(3%),>90°者42例(21%),在病程经过中,电轴多数在±20°范围内变动。(4)顺钟向转位者82例(41.2%)、逆钟向转位者22例
Lung cancer in the development process have a variety of ECG changes, with the expansion of disease, the disease changes its frequency of change. (1) P-R changes were found in 2 (1%) patients with P-R extenders (> 0.23), 22 patients (11%) with QT prolongation, and 16 patients (8% The P wave tended to be sharp, which showed 21 cases of P wave in the right atrium (10.6%). (3) QRS axis: 6 cases (3%) and> 90 ° in 42 cases (4) 82 cases (41.2%) of cis-clockwise transposers and 22 cases of reverse-clock transposers