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。
Roughly around under the surface ECG identified two bypass, bypass atrial fibrillation by alternating two downstream, suggesting that AV conduction block in the right way there.
大致可根据体表心电图确定有左右两条旁路，经两条旁路快速房颤交替下传，提示传导阻滞在房室正道中存在。
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。
ECG signal is a synthetic reflection of the heart electricity on body surface. It has important significance to the diagnosis of heart disease by clinical ECG examination.
心电信号是心脏电活动在体表的综合反映，临床心电图检查，对于检测和诊断心脏疾病具有重要意义。
AIM: To compare the diagnostic value of body surface potential mapping (BSPM) and electrocardiogram (ECG) and high frequency ECG (HFECG) for coronary heart disease (CHD).
目的：比较体表电位标测(BSPM)、心电图(ECG)和高频心电图(HFECG)三种心电方法对冠心病(CHD)的诊断价值。
This kind of micro electric activity spreads along the conductor of men to the surface of the body, thus we can get the ECG by electrodes (sensors).
这种微观的电活动沿人体这一容积导体传至体表，通过电极传感器便可得到心电波形。
The body surface potential map (BSPM) and electrocardiography (ECG) were determined by the electricity parameters and activation conduction of myocardial cells.
心肌细胞的电特性及心肌细胞间的传导关系决定了体表电位的分布及心电图的变化。
Electrical activity generated by the heart can be measured by an array of electrodes placed on the body surface. Analysis of ECG is an important step in the diagnosis of heart disease.
心电信号可以通过置于体表的电极和一定的导联方式检测出来，心电信号的检测与分析是心脏疾病临床诊断中的关键环节。
The surface body electrocardiogram(ECG) manifestations of biatrial pacing are that P wave duration shortens, the polarity of P wave changes to negative, PR interval gets shorter correspondingly.
双房同步起搏体表心电图表现为P波时限短、负向或正负双向，PR间期相应缩短。
Objective To understand the value of coronary arteriography and body surface electrocardiogram(ECG) in the diagnosis of coronary heart diseases.
目的探讨体表心电图与冠状动脉造影在冠心病诊断中的价值。
Objective To understand the value of coronary arteriography and body surface electrocardiogram(ECG) in the diagnosis of coronary heart diseases.
目的探讨体表心电图与冠状动脉造影在冠心病诊断中的价值。
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