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男性,63岁。发作性心前区闷痛10多年,平时心电图为预激症B型伴左前分支传导阻滞。临床诊断:冠心病。1979年5月13日因心前区疼痛发作而住院。查体除心脏听诊A_2>P_2外余未见异常。入院后即刻做心电图:窦性心律,75次,P-R间期0.10s,QRS波时限0.12s,导联Ⅰ、Ⅱ、AVL、V_1、V_3、V_5的R泼起始部粗钝呈delta波(预激波),R_(v1vsv5)直立向上,示预激症候群A型。经口含硝酸甘油片,并卧床吸氧
Male, 63 years old. Episodic pain in the anterior heart area more than 10 years, usually ECG for the pre-type B with left anterior branch block. Clinical diagnosis: coronary heart disease. May 13, 1979 due to pre-eczema and hospitalization. Except heart auscultation examination A_2> P_2 no abnormalities outside. Electrocardiogram immediately after admission: sinus rhythm, 75 times, PR interval 0.10s, QRS wave duration 0.12s, lead Ⅰ, Ⅱ, AVL, V_1, V_3, Pre-shock), R_ (v1vsv5) upright, showing pre-shock syndrome A type. Oral nitroglycerin tablets, and bed oxygen