触发活动
- triggered activity
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目的与方法:采用常规玻璃微电极技术研究丹皮酚对离体心肌细胞自律性(AM)、延迟后除极(DAD)及触发活动(TA)的影响。
Aim and Methods : Standard microelectrode technique was used to study the effects of paeonal on the automaticity induced by epinephrine , ouabain induced delayed afterdepolarization ( DAD ) and triggered activity ( TA ) of isolated guinea pig right ventricular papillary muscle .
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7-氯苄基四氢巴马汀对豚鼠乳头肌迟后去极,触发活动及猫心单相动作电位的影响
Effects of 7-chlor-benzyltetrahydropalmatine on delayed after depolarization , triggered activity
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心脏异常电触发活动诱发的致命性心律失常是导致心衰患者发生心源性猝死(SuddenCardiacDeath,SCD)的主要原因。
Epidemiological data shows that fatal ventricular arrhythmias initiated by abnormal impulses is the major cause of sudden cardiac death ( SCD ) in heart failure ( HF ) patients .
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本实验旨在研究Dip对迟后除极(DADs)和触发活动(TA)所致的心律失常的作用。
Our present study was to investigate the effects of Dip on arrhythmias triggered by delayed afterdepolarizations ( DADs ) and triggered activity ( TA ) .
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结果提示,运动试验诱发VT的机制,可能是延迟后去极化触发活动和肾上腺素敏感性增高自律性异常。
Combining with electrophysiological results , we suggest that the mechanism of inducing VT might he due to triggered activity and abnormal automaticity .
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结果:复脉Ⅰ号能降低应激豚鼠在体心脏触发活动及心律失常的发生率,并能降低心肌组织中LDH、NOS的活性,减少NO的含量,减少心肌CK的释放。
Results : Fumai ⅰ can reduce the incidences of arrhythmias and triggered activity , the activity of LDH , NOS and the content of NO , increased the activity of CK in myocardium .
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近年来在转基因动物和正常动物上的研究发现,与PKA途径相比较,CaMKⅡ信号途径可能是β肾上腺素诱导的舒张期钙离子渗漏所导致的触发活动中的主要信号途径。
Recently several studies from transgenic mice model and normal animals showed that CaMK ⅱ emerges as a dominant signal pathway for triggered arrhythmias induced by diastolic calcium leak upon adrenergic stimulation compared with PKA .
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结果表明:(1)维拉帕米对CsCl诱发触发活动既能干预形成,又能对抗、终止,提示CsCl致触发活动与Ca2+密切相关,Ca2+转运异常可能是后除极形成的机制;
The results showed that verapamil could not only prevent CsCl induced triggered arrhythmias but also terminate it , which suggested that CsCl induced triggered activity was related to Ca 2 + closely and the abnormal calcium transport was probably involved in the mechanisms of induced early after depolarization .
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炙甘草汤(10、20、30g生药/kg,ig)明显延迟触发活动的发生,降低触发活动的幅度和发生率,并提高触发性心肌细胞Na+,K+-ATP酶活性。
ZGCD ( 10,20,30 g · kg-1 , ig ) postponed the occurrence of the TA and decreased the ample and the incidence of the TA obviously . It also increased the activity of Na + , K + - ATPase in the triggered cardiac myocytes .
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实验表明:(1)再灌注性心律失常的发生与触发活动密切相关。
Conclusion : ( 1 ) Reperfusion arrhythmias was associated with triggered activity .
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触发活动可表现为快速自发性动作电位(发生率14%)。
EAD-in-duced triggered activity exhibited fast spontaneous action potential ( 14 % ) .
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自律性异常、触发活动和折返形成是房速的主要发生机制。
Ectopic automaticity , triggered activity and reentry may be the mechanisms of the arrhythmia .
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炙甘草汤对哇巴因所致心肌细胞触发活动及Na~+,K~+-ATP酶活性的影响
Effects of Zhigancao Decoction on Ouabain-induced Myocardial Cell Triggered Activity and Na ~ + , K ~ + - ATPase Activities
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结论触发活动可能不是右心室流出道室性早搏的发病机制,而部分右心室流出道室性心动过速的发病机制可能是触发活动。
Conclusion Instead of involving in the right ventricular outflow traction extracontrations , triggering action may be responsible for the right ventricular outflow traction tachycardias .
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采用细胞内微电极技术记录离体大鼠窦房结-心房肌细胞自发动作电位,观察异常触发活动的发生情况,以及川芎嗪对触发性心律失常的防治作用。
The spontaneous electric activity of sinus node-atrial muscle cell of isolated rats was recorded with intracellular microelectrode . The occurrence of triggered activity and the preventive and therapeutic effect of TMP on triggered arrhythmia were observed .
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低温处理后由低钾诱发的大鼠心室肌触发性活动
Triggered Activity Induced by Low K in Rat Ventricular Fibers after Cold Treatment
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粗略的想法是,我们建模一个触发审阅活动的事件处理程序。
The rough idea is that we model an event handler that triggers one review .
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钻孔应变观测记录的同震应变阶对于研究同震应力触发断层活动具有特殊的价值。
Strain steps recorded by borehole strainmeters are of special values in studies of coseismic stress triggered fault activities .
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为了在数据库中触发排序活动,要重复下列命令多次,例如3次
To trigger sorting activities within the database , repeat the following command multiple times , for example , 3 times
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滑坡发生的机理性研究已经取得了大量基础性成果,降雨尤其暴雨是触发滑坡活动的重要因素。
Mechanism research occurred in Landslide has made a lot of fundamental results . Rainfall in particular Storm rainfall is an important factor in triggering landslides .
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本实验结果支持以前的推测,即长时间低温处理的心室肌,其节律活动与触发性活动不同,而具有自动性活动的特点。
The results supported the hypothesis that the rhythmic activity in the cold-treated porcine VFs was different from the triggered activity and possessed the characteristics of automatic activity .
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汶川8.0级地震触发与余震活动空间分布研究
Seismic Triggering and the Aftershock Distribution of the Wenchuan M8.0 Earthquake
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绕流的辐合是触发深对流活动的另一重要因子。
The convergence in the lee of mountains is another important factor which may cause deep convective systems .
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考虑到实际地质构造的复杂性,这样的反演结果可能反映的是当地被触发的断层活动的主要影响或综合效果。
Taken into account the complexity of geological structure , result of such inversion may reflect a comprehensive influence of triggered activities of all local active faults .
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虽然目前还没有人能证明汶川地震是水库触发的地震活动,但我觉得大胆假设,小心求证是很值得支持!
Although no one can presently prove it was the reservoir that triggered the Wenchuan earthquake , I think this bold supposition is worth the support of careful research .
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可预测的视域比不熟悉的刺激触发较少脑子活动,支持看法脑子不是仅仅易反应的,但是引起根据最近过去的预言。
Predictable sights trigger less brain activity than unfamiliar stimuli , bolstering the view that the brain is not merely reactive , but generates predictions based on the recent past .
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文章还分析了潮汐力触发与强震活动的区域动力学环境之间的关系,并用构造块体成组孕震模型讨论了潮汐力对强震活动触发作用的力学机制。
The relationship between the tidal triggering and the tectonic dynamic conditions is investigated and the mechanism of the modulation is simulated with the group model of earthquakes generated in tectonic blocks .
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本课题的主要研究结果和结论如下:(1)在大鼠胰腺β细胞上,胞外ATP通过引起胞内钙库释放而触发较强的分泌活动。
Main results of the study are as follows : ( 1 ) Extracelluar ATP could trigger vigorous exocytosis under resting condition via intracellular Ca ~ ( 2 + ) store release in rat pancreatic ? cells .
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分组触发思想将和活动触发汇聚相关的部分从WfMC的工作流参考模型的工作流引擎中单独分离出来,将与活动相关的部分作为为工作流引擎服务的外围模块。
In this method , the part that manages the routing of the activities will be separated from the workflow engine module which is the kernel module of the WfMC workflow reference model .
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当应用程序达到相关状态时,会触发一个特定活动。
A specific action is triggered when the application reaches a correlated state .