传导时间

周围运动神经传导时间可由电或磁刺激脊髓神经根测量F波的潜伏期而得。

Peripheral motor conduction time by electric or magnetic stimulation of spinal nerve root measurement of F wave latency .

快、慢径传导时间之差为300～740（4990±1218）ms，显著大于对照组。

The difference of conduction time between fast and slow pathways was 300-740 ( 499 0 ± 121 8 ) ms , which was significantly longer than that of controls and also longer than the effective refractory period of fast pathway in the same group .

目的评估脉搏传导时间检测仪（PTT）与多导睡眠仪（PSG）同步监测鼾症患者的一致性。

Objective To Evaluate the consistency of PTT and PSG on the diagnosis of OSAHS .

同时检测F波和M波计算中枢运动传导时间（centralmotorconductivetime，CMCT）。

F waves and M waves were also recorded to calculated the central motor conductive time ( CMCT ) .

隐匿性旁路伴长V-A传导时间。

Concealed accessory pathways with long conduction times .

结论DCS起搏和双心房起搏可改变心房的电生理学特性，缩短心房传导时间，延长ERP，其中尤以DCS起搏的改变最为显著。

Conclusion : Both DCS and biatrial pacing can change the atrial electrophysiologic properties-reducing time and prolonging the atrial ERP , but the effects of DCS pacing is prior to that of biatrial pacing .

目的探讨不用Halo电极消融典型心房扑动（AF）的方法和右心房峡部传导时间间期的意义。

Objective : To describe the approach to radiofrequency ablation of typical Atrial flutter ( AFL ) without Halo electrode catheter and the significance of the time conducting through the inferior cava-tricuspid isthmus .

结果显示：房室折返性心动过速的ST段压低>2mm和/或T波倒置（%）、ST段压低幅度、房间传导时间均非常显著大于房室结折返性心动过速（P均<0.01）；

Results showed that ST _ T segment depression > 2mm and / or T wave inversion and mean magnitude of ST segment depression in atrioventricular reentrant tachycardia were apparently more significant than those in atrioventricular nodal reentrant tachycardia ( P < 0.01 ) .

方法对12只犬心房间Bachmann速和冠状窦肌束行射频消融，并对阻断前后心房间传导时间、心房不应期，以及P波时限进行测量对比。

Methods The atrial effective refractory periods , P wave duration and the conductive times between atria were measured and compared before and after the blockage of the Bachmann Bundle and coronary sinus fascicle in 12 dogs .

QT间期在细胞水平代表心室肌细胞的动作电位时程（actionpotentialduration，APD）加上传导时间，APD的长短与膜电位的复极化密切相关。

The electrocardiographic QT interval represents the duration of the ventricular action potential ( APD ) plus the time associated with transmission across the myocardium at the cellular level . Cardiac APD is controlled importantly by the repolarization of the membrane potential .

提示大蒜素具有显著改善糖尿病HHcy大鼠的中枢传导时间的作用。

It hint that allitridi can improve central conduction time of diabetes mellitus rats with high homocysteine . 2 .

目的介绍脉搏传导时间（PTT）技术的原理和使用方法，提高对PTT技术的认识，探讨其在诊断儿童阻塞性睡眠呼吸暂停低通气综合征（OSAHS）中的应用。

Objective To explore the application of pulse transit time ( PTT ) in evaluating obstructive sleep apnea hypopnea syndrome ( OSAHS ) in children and to introduce the principle and manipulation of PTT .

加速性和疲劳性诱导的房室结传导时间的延长和缩短与FRPN密切相关。

Third , atrioventricular nodal conduction time of fatigue induced and facilitation induced were relating to FRPN .

在体外灌流的条件下，采用心房短阵刺激评价房间传导时间（IACT）和心房对猝发刺激的反应。

Interatrial conduction time ( IACT ) and atrial response to burst atrial pacing were evaluated in Langendorf - perfused setting .

采用静息态阈值（RT）、中枢传导时间（CMCT）、中枢静息期（CSP）和运动诱发电位（MEP）的波幅作为评定大脑皮质兴奋性的指标。

Excitability of the motor cortex were assessed by rest threshold ( RT ), central motor conduction time ( CMCT ), central silent period ( CSP ) and amplitude of motor evoked potential ( MEP ) .

对X线摄片证实的34例枕骨大孔区畸形患者进行了电刺激运动诱发电位（MEP）测试，MEP异常率91.4%，改变以中枢运动传导时间（CMCT）延迟为主。

Electrical stimulating motor evoked potentials ( MEP ) were examined in 34 cases with malformation of atlantooccipital region verified by roentgenogram . Abnormal rate of MEP was 94 . 1 % .

本文报告对48例患者，右心导管法描记窦房结电图（SNE）及直按测定窦房传导时间（SACTD）的结果。

This study reports the results of sinus node electrogram ( SNE ) by electrode catheterization and directly measured sinoatrial conduction lime ( SACT_D ) in 48 patients .

结果全部病人的MEP都出现异常，表现为潜伏期、中枢传导时间（CMCT）延长，时限增宽，波辐降低或不能引出。

Results All 30 patients had abnormal MEPs and manifested by elongation of cortical latency and central motor conduction time ( CMCT ), widened CMAPs duration as well as decreased amplitude or disappeared MEP .

应用磁运动诱发电位（MEP）检测46例Graves（GD）病患者和50名正常对照组MEP潜伏期、波幅及中枢运动传导时间（CMCT）。

Magnetic motor evoked potentials ( MEP ) were measured in 46 patients with Graves ′ disease ( GD ) and 50 normal controls , and its latency 、 amplitude and central motor conduction time ( CMCT ) were recorded .

指出微秒传导时间等离子体断路开关（POS）阴极释出的荷电金属微粒引起的双极流和阴极等离子体扩张运动可能显著降低开关的断路性能；

The bipolar flow caused by the negatively charged metal grains from a microsecond plasma opening switch ( POS ) and the movement of the plasma made of the POS cathode material are considered to be responsible for the degradation of POS opening performance .

结果BDT胶囊可以提高窦性心率，明显缩短窦房结传导时间（SACT）及校正窦房结恢复时间（CSNRT）。

Results BC markedly increased the heart rate , shortened the sinoatrial conduction time ( SACT ) and corrected sinoatrial node recovery time ( CSNRT ) .

结论：伊布利特可明显延长RA-ERP、LA-ERP及RV-ERP，但不影响房间、室间传导时间。

Conclusions : Ibutili de prolongs RA-ERP , LA-ERP , and RV-ERP , but it does not affect IACT , IVCT .

目的：探讨用经皮电刺激双侧膈神经法测定膈神经传导时间（PNCT）的正常值及其影响因素。

Ve : To measure the normal value of the phrenic nerve conduction time ( PNCT ) by percutaneous electrical stimulation of phrenic nerves and to investigate the interfering factors .

结果：急性期MEP的异常率为93%，主要表现为皮层MEP消失，中枢运动传导时间（CMCT）延长，波形异常及阈刺激强度增高。

Results : The abnormality rate of MEP during acute stage was 93 % with disappearance of cortical components , prolongation of central motor conduction time ( CMCT ), abnormality of waveforms and an increases in threshold stimulation intensity .

方法：对46例临床诊断为肘部尺神经卡压患者，除进行常规EMG、NCV、和尺神经混合神经动作电位（MNAP）测定以外，还进行尺神经短段传导时间（shortsegmentconductiontime，SSCT）测定。

Methods : Short segment conduction time ( SSCT ) was studied in 46 clinically diagnosed cases of ulnar nerve entrapment at the elbow , in addition to conventional EMG , NCV and MNAP measurement .

结果：12例高位颈髓损伤患者受伤后各时间段的膈肌MEP皮层潜伏期及中枢传导时间（CMCT）均延长，与对照组相比差异有显著性（P<0·05）。

Results : The respective latent periods of the MEPs and the CMCT were all lengthened in the 12 patients . There was a significant difference compared with ttat of the control group ( P < 0.05 ) .

阻断自主神经后，观察各组心房快速起搏前后，不同部位心房有效不应期（AERP）、AERP频率适应性、AERP离散度（AERPd）及右心房内传导时间变化。

After autonomic blockade , the pre-tachycardia , post-tachycardia atrial effective refractory period ( AERP ), AERP rate adapting feature , AERP dispersion ( AERPd ) and right-atrium conduction time were measured .

CMCT是从脑皮质到脊髓α前角运动神经元的传导时间，主要反映上运动神经元和脊髓前角细胞的功能。

Central motor conduction time is the conduction time from the cerebral cortex to the spinal cord anterior horn motor neurons , mainly reflect on motor neurons and spinal cord anterior horn cell function .

结果：MND组mMEP皮层潜伏期和中枢运动传导时间（CMCT）均明显长于对照组；

Results : The latency of cortical and centra motor conduction time ( CMCT ) of motor evoked potential of ( MEP ) in MND patients were longer than those of the controls .

方法以表面电极在肋间隙处记录37例ALS患者及31例正常对照者经颅及经项磁刺激时产生的膈肌复合肌肉动作电位潜伏期和波幅，并计算中枢运动传导时间（CMCT）。

Methods To record the latency and amplitude of diaphragmatic compound muscle action potential ( DCMAP ) from 37 ALS patients and 31 control subjects with surface electrodes after transcranial and transcervical magnetic stimulation , central motor conduction time ( CMCT ) was calculated .