用肢导联或单用胸导联的心电图可致特异性更低。
Use of limb lead or single lead thoracic placement electrocardiograms resulted in some loss of specificity.
目的探讨心电图下壁导联ST段压低与急性前壁心肌梗死（AMI）的相关性。
Objectives This study assessed the relationship between inferior ST-segment depression and anterior acute myocardial infarction (AMI).
心电图有肢体导联低电压的特征；
本系统利用三道心电图机同时得到FRANK导联体系的三导联心电图。
This system makes use of three-leads electrocardiograph to produce three leads electrocardiograms of FRANK leads system.
目的探讨冠心病患者心电图v 1导联P波终末电势(PTFV1)与左室舒张功能的关系。
Objective to discuss the relationship between PTFV1 of ECG and left ventricular diastolic function in patients with CHD.
方法采用DT-1型自动倾斜床测定倾斜前后心率，血压及12导联心电图及其服用心得安以后的变化。
Methods Heart rate, blood pressure and 12 lead ECG were measured with DT 1 automatic tilt table.
目的研究体表12导联心电图与显性预激房室旁路定位的相关关系。
Objective Clinical study of the body surface 12-leads electrocardiogram criteria for the localization of the accessory atrioventricular pathways.
结论胸导联心电图r - ST - T变化是诊断AHCM的敏感、特异的预测指标，心电图对AHCM的诊断具有早期预测意义。
Conclusion The changes on R-ST-T in chest leads is a sensitive and specific predictive marker for diagnosing AHCM, ECG can predicted AHCM early.
对34只引入青海的辽宁绒山羊a-B导联心电图进行了描记和分析。
Liaoning down - producing goats introduced into Qinghai Province were used to trace and analyse the electrocardiograms (ECG) on a - B lead.
目的探讨常规12导联心电图诊断急性右室心肌梗死的意义。
Objective To explore the significance of diagnosing acute myocardial infarction of right ventricle with routine 12 lead ECG.
认为本文确定的18个监测导联的电极位置可客观反映18导联心电图的ST - T动态变化及QRS波群改变，可以推广。
Positions of 18 monitoring leads electrodes can reflect objective change of ST-T and QRS waves of routine 18-lead electrocardiogram. This method may be used widely.
结果：头胸导联所记录到的Q波数及Q波幅度均显著低于常规导联心电图。
Results: Q wave amplitude and Q wave numbers recorded in Head-Chest leads were lower than those recorded by Routine lead ECG.
建立了12导联同步心电异常波形数据库生成系统，并在此基础上研究了12导联心电图实时分析与基于小波变换的QRS波自动识别算法。
The studies include development of generating system of 12-lead synchronous abnormal ECG waveform database, wavelet based QRS complex detection algorism and waveform analysis.
随后针对实际的临床十二导联心电图数据，实验了两种支持向量机的分类方法。
Then, support vector machine is selected to classify aiming at clinical ECG data. Finally, classifications combination approach is analyzed.
这就是QT间期离散度的概念，其定义为标准12导联同步心电图中最大QT间期和最小QT间期之差。
This inter-lead difference was called QT interval dispersion (QTD) and was defined as QT maximum minus QT minimum measured from 12 leads.
确定心电图导联的最小子集，从该最小子集，可以利用可接受的误差计算电压-时间测量。
A minimal subset of electrocardiogram leads is identified from which the voltage-time measurements can be calculated with acceptable error.
方法：对确诊IPAF病例和年龄匹配的健康人各40例，测量体表心电图12导联最大P波时限及P波离散度。
Methods: We measured the maximum P-wave duration and P-dispersion from the 12-lead surface electrocardiogram of 40 patients with IPAF and 40 age-matched healthy control subjects.
目的确定十二导联心电图上相应ST段压低与急性左主干病变的关系。
Objective To analyze the correlation between corresponding ST segment depression of 12-lead ECG and acute left main coronary artery (LMCA) disease.
此外，该系统还具有常规十二导联心电图的采集与打印功能。
Besides, it can also sample and print general 12 - leads ECG.
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.
比较分析观察组ST-T改变导联（即缺血部位）、形态、持续时间，以及发作时的心律失常、猝死的心电图特点等。
The lead(site of ischemia), form and the lasting time of ST-T changed and the features of electrocardiography before occurrence of arrhythmia and sudden death in observed group were analyzed.
对沈阳体育学院98、99级学生进行ECG流行病学调查，于清晨空腹安静状态卧姿下顺序采集12个导联的心电图。
The epidemiological survey was performed on the students of Grades 98 and 99 in Shenyang Institute of Physical Education.
下壁导联心电图异常改变：Brugada综合征患者预后不良的信号？
Abnormal inferior wall lead ECG changes: a sign of poor prognosis for Brugada syndrome?
下壁导联心电图异常改变：Brugada综合征患者预后不良的信号？
Abnormal inferior wall lead ECG changes: a sign of poor prognosis for Brugada syndrome?
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