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窦房结电图(SNE)检查的开展解决了体表心电图无法解决的I°窦房传导阻滞(S-AB)的诊断问题。现将我们一例经窦房结电图证实的I°S-AB合并Ⅱ°二型房室传导阻滞(A-VB)报道如下。患者男性,76岁,两年内反复晕厥三次,每次历时约一分多钟,本次发作在1985年1月3日,即时当地心电图示:高度A-VB,心率42次/分。经予异丙肾上腺素1mg加入10％葡萄糖液500ml中静脉滴注共20天,心室率维持在42—46次/分。于1985年2月25日转入本院。体检:血压150/70,心尖搏动在第五肋间锁骨中线外1.5cm,心浊音界向左下扩大。心率42次/分。心音低,可闻及大炮音。入院心
Sinus node electrocardiogram (SNE) examination to solve the surface ECG can not be resolved I ° sinoatrial node block (S-AB) diagnosis. We now an example of confirmed by the sinoatrial electrogram of I ° S-AB combined with Ⅱ ° a type Ⅱ atrioventricular block (A-VB) reported below. Male patient, 76 years old, two times within two years of repeated fainting, each time lasted for about a minute, the episode on January 3, 1985, real-time local ECG: height A-VB, heart rate 42 beats / min. After given isoproterenol 1mg 10% glucose solution 500ml intravenous infusion of a total of 20 days, the ventricular rate remained at 42-46 beats / min. On February 25, 1985 into the hospital. Physical examination: blood pressure 150/70, apex beat in the interclavicular clavicle midline 1.5cm, cardiac dullness to the lower left expand. Heart rate 42 beats / min. Heart sounds low, can be heard and cannon sound. Admission heart