迷走神经对心房起搏点有抑制作用。
The vagus nerves have an inhibitory action on atrial pacemakers.
快速心房起搏可导致细胞内钙离子超载。
结论心房起搏频率的改变可影响房室结的有效不应期和传导功能。
Conclusion the atrial pacing rate of change can affect the AV node effective refractory period and conduction in refractory period.
不同频率心房起搏也可揭露房室结在某一频率下不能呈现的电生理现象。
Atrial pacing at different frequencies can reveal atrioventricular node can not be present at a frequency of electrophysiological phenomena.
结论:家兔快速心房起搏心房纤颤模型建立简单,心房纤颤诱发率高,重复性好。
Conclusion: Rabbit atrial fibrillation model with rapid atrial pacing is easily established, and sustained AF is readily induced and highly reproducible.
结果心房起搏可诱发所有X综合征患者出现胸痛及ST段压低,而对照组则阴性。
Pacing induced chest pain and ST segment depression were observed in syndrome X, but not in controls.
结论普通心室电极经冠状窦中、远端行左心房起搏可行、安全,且价格便宜,适合临床应用。
Conclusion the ordinary ventricle lead, which is cheap, is feasible and safe for left atrium pacing through the middle and distal part of the coronary sinus and suitable for clinical application.
并对随着基础频率心房起搏的增加房室结呈递减性传导是频率滤过作用的基础等生理现象做出解释。
With the foundation and increase the frequency of atrial pacing was reduced atrioventricular node conduction is based on the frequency filtering effect of other physiological phenomena to explain.
结论经食管心房起搏彩色多普勒负荷超声心动图(TPDE)在冠心病诊断中有较高的应用价值,因其简便、实用和安全,宜在临床广泛推广使用。
Conclusion Transesophageal atrial pacing colour Doppler echocardiography(TPDE)has the high practic value in detecting CAD and can be safely used for a wide range.
窦房结的心肌细胞:这张图显示了窦房结的切面,右心房的一块起搏区。
Cardiomyocytes in the sinoatrial node This image shows a section of the sinoatrial node, a pacemaking area of the right atrium of the heart.
发生并发症14例,均为采用心房电极起搏方式者。
A total of 14 complications developed only in those used atrial electrodes.
起搏后TSN组维持原有的心房肌频率适应性。
结论:心脏起搏抑制房颤发生的机制可能与快频率起搏加速心房内传导、抑制了房性期前收缩、消除了窦性心动过缓和心脏长短间歇有关。
Conclusion: atrial overdrive can prevent AF, which may results from accelerating interatrial conduction, inhibiting atrial premature beat, eliminating sinus bradycardia and long short interval.
医学在线新闻:他汀类药物治疗可能有助于预防心房颤动(AF)复发,一项对植入起搏器患者的观察性研究显示。
MedWire News: Statin treatment may help to prevent atrial fibrillation (AF) recurrence, suggests an observational study of patients implanted with a pacemaker.
目的观察右心耳及房间隔起搏对心房电活动的影响。
Objective To observe effects of right atrial appendage (RAA) pacing and atrial septal (AS) pacing on atrial activation.
结论胺碘酮对植入VV I型起搏器患者心房颤动的发生有明显的抑制作用。
Conclusion: Amiodarone can suppress the incidence of atrial fibrillation obviously after VVI pacemaker implantation.
结论:长期高频率起搏刺激家兔左心房是建立慢性房颤模型的有效方法。
CONCLUSION: Long-term rapid left atria stimulating is an effective method in the establishment of a chronic atrial fibrillation model in rabbits.
现就近几年有关不同部位心脏起搏与心房颤动关系的研究作一简要综述。
This article briefly reviews the study of the different parts of cardiac pacing and Af in the last few years.
术中测定心房、心室起搏阈电压和电极阻抗,组间进行t检验。
The original values of lead impedance and pacing thresholds were tested and compared by t-test between groups.
起搏后TSN组维持原有的心房肌频率适应性。
The rate-dependent of TSN groups atrium was maintained after the pacing process.
目的观察心房快速起搏诱发扩张型心肌病犬模型心肌基质细胞衍生因子- 1 (SDF - 1)及其受体CXCR4的表达。
Objective to investigate the myocardial expression of stromal cell-derived factor-1 (SDF-1) and it's receptor CXCR4 in dilated cardiomyopathy canines induced by chronic rapid atrial pacing.
心房颤动是室性早博后第二位的心律失常,起搏治疗心房颤动目前已成为难治性心房颤动的有效治疗途径。
Atrial fibrillation (Af) is the most commonly cardiac arrhythmia except premature ventricular beats. The therapy of Af with pacemaker is a valid method to the chronic and stubborn Af now.
结果右心房、右心室心内膜起搏导线植入及两根心外膜起搏导线缝合均顺利,术后未出现严重并发症。
Results Right atrial and ventricular endocardial leads and two LV epicardial leads were implanted successfully without any serious complication.
患者均进行了三腔双心室同步起搏,起搏电极导线分别置于右心房、右心室以及经由冠状静脉窦置于一支心脏静脉起搏左心室。
All of them received three chamber biventricular pacing and the left ventricular pacing lead was inserted into a cardiac vein through coronary sinus.
他汀类药物治疗可能有助于预防心房颤动(AF)复发,一项对植入起搏器患者的观察性研究显示。
Statin treatment may help to prevent atrial fibrillation (AF) recurrence, suggests an observational study of patients implanted with a pacemaker.
他汀类药物治疗可能有助于预防心房颤动(AF)复发,一项对植入起搏器患者的观察性研究显示。
Statin treatment may help to prevent atrial fibrillation (AF) recurrence, suggests an observational study of patients implanted with a pacemaker.
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