Surface ECG, TEE and local electrograms from the tip electrode of the ablation catheter were recorded.
同步记录心电图、TEE和消融电极局部电图。
Objective To evaluate the clinical value of body surface ECG diagnosis criteria for left atrial amplification.
目的探讨体表心电图诊断左心房扩大的各项指标的临床价值。
These recults indicate that body surface ECG reflects the changes of Q and R waves on the epicardium with some limitation.
提示体表心电图对反映心外膜面的Q波和R波变化尚有一定局限性。
Results:The valuable surface ECG clues for diagnosis of ventricular tachycardia were as follows:(1)evidence of atrioventricular dissociation;
结果：诊断室速的主要心电图线索是：（1）房室分离；
Conclusion the simple, frequently used body surface ECG can help diagnose most coronary heart diseases, but there can be false positive and false negative reactions.
结论体表心电图简便、常用，能够帮助诊断大多数冠心病，但存在假阳性和假阴性。
Conclusions the simple, frequently used body surface ECG can help diagnose most coronary heart diseases, but there can be false positive and false negative reactions.
结论体表心电图简便、常用，能够帮助诊断大多数冠心病，但存在假阳性和假阴性。
Objective: the morphological features of surface ECG of spontaneous wide QRS complex tachycardia were investigated, value of ECG Criteria for the differential diagnosis was evaluated.
目的：探讨体表心电图的形态学特征对自然发生的宽qrs心动过速的鉴别诊断价值。
Methods We compared the surface ECG in 12 leads during sinus rhythm with tachycardia, and tried to find the relation between the different locations of retrograde P' wave and QRS complex in all leads.
方法用对比的方法分析窦律下和心动过速时12导联体表心电图，找出心动过速时逆传P’波在不同导联的位置及与QRS波的关系。
Methods We compared the surface ECG in 12 leads during sinus rhythm with tachycardia, and tried to find the relation between the different locations of retrograde P' wave and QRS complex in all leads.
方法用对比的方法分析窦律下和心动过速时12导联体表心电图，找出心动过速时逆传P’波在不同导联的位置及与QRS波的关系。
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