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患者男性,65岁,临床诊断:慢性支气管炎,阻塞性肺气肿,肺心病合并支气管感染。附图为V_5导联心电图的连续记录。图示P-P、R-R 基本规则,心率约115次/分。P 波平坦(未刊出的肢导联呈“肺型P 波”),QRS 呈现周期性变化——其形态自正常、接近正常逐渐变成宽大畸形的左束支阻滞(LBBB)型,其时限亦同时由0.06″逐渐增宽达0.12″。但T 波变化不显著,皆为幅度较低的正向T 波。在R_1与R_2之间、R_6与R_7之间、R_(11)与R_(12)之间、R_(17)
Male patient, 65 years old, clinical diagnosis: chronic bronchitis, obstructive pulmonary emphysema, pulmonary heart disease with bronchial infection. The figure is V_5 lead ECG continuous recording. Pictured P-P, R-R basic rules, heart rate about 115 beats / min. P wave flat (unlisted limb lead was “pulmonary P wave”), QRS showed periodic changes - its morphology from normal, close to normal gradually become large deformed left bundle branch block (LBBB) type, Its time limit also gradually widened from 0.06 “to 0.12”. However, T wave changes are not significant, all for the lower the positive T wave. Between R_1 and R_2, between R_6 and R_7, between R_ (11) and R_ (12), between R_ (17)