A pacemaker sends electrical impulses to the heart to speed up or slow cardiac rhythm. 科研人员表示,心脏起搏器的工作原理是通过电流刺激心脏以加快或降低心脏速率。
There are many indexes, each with their different characteristics, for identifying cardiac rhythm, which can be used for the early diagnosis and risk prediction of cardiovascular disease. 迄今已有很多识别心电特征的指数,这些指数各有特点并可应用于心血管疾病的早期诊断和危险预测中。
Wo-Pa-Huai syndrome and ectopic cardiac rhythm of copulatory zone premature beat. ⑤沃-帕-怀综合征患者合并交接区性期前收缩等异位心律。
Transferred to the heart can occur such as chest tightness, palpitations or shortness of breath, syncope, cardiac rhythm disturbances and other symptoms. 如转移到心脏可出现胸闷、心悸甚至气急、晕厥、心律紊乱等症状。
Methods All patients underwent care path-driven observation for 12 hours ( h), including continuous cardiac rhythm monitoring and serial 12-lead electrocardiograrams ( ECG) at baseline, 4,8,12 h. 方法对所有病例进行12h床边动态监测,包括基线、4、8、12h的连续心律监测和12导联心电图(ECG)测试;
Methods: Polysomnography has been performed on66 patients with OSAS, the changes of nocturnal blood pressure and cardiac rhythm were observed. 方法:应用多导睡眠监测仪研究66例患者夜间血压、心律的动态变化。
This study described the quantitative simulation of effect of myocardial electricity parameters on cardiac rhythm with threedimensional realistic torso heart geometry models. 本文采用真实三维躯干模型及心脏模型,对心肌电特性参数与心律变化的关系进行定量仿真研究。
Usually, the frequency of heartbeat can be used to discriminate different kinds of arrhythmia from a normal cardiac rhythm, but the result is not satisfying. ECG心率不齐是通过与正常心脏跳动频率不同来区分,但这种方法并不是理想。
A comparison of tolerance of metoprolol in chronic congestive heart failure patients with different cardiac rhythm 不同心律的慢性充血性心力衰竭患者对美托洛尔的耐受性比较
The figure of infarction in the intrinsic cardiac rhythm was the same as in patients without pacemaker. 自身心律时梗死图形与非起搏者基本相同。
Conclusion This mathematics model can describe the change of cardiac rhythm. 结论这里的数学模型描述了心脏节律变化。
And both groups patients 'cardiac rhythm, mean arterial pressure and saturation had no difference dramatically. 两组心率平均动脉压、氧饱和度无明显差异。
The numerical results show that the ring targets or spiral waves generated by cardiac action potential affect the cardiac rhythm greatly. 数值分析结果表明,心肌动作电位形成的靶环波和螺旋波对心脏节律影响较大。
Conclusion The good tolerance to Bisoprolol was found in CHF patients with different cardiac rhythm and was better in patients with AF and cardiac pacing rhythm than with sinus one. 结论不同心律的CHF患者对比索洛尔的耐受性均较好,且房颤和起博器心律者好于窦律患者。
No obvious effects on heart rate, ECG, cardiac rhythm, respiratory rate and rhythm in rats were observed. 对心律、ECG之QRS时间、T波、ST段、呼吸频率、节律和幅度无明显影响。
Effects of psychological stress on cardiac rhythm of rats with myocardial ischemia 心理应激对心肌缺血大鼠心律的影响
Changes in cardiac rhythm of the pilots during simulated air combat maneuver on centrifuge 离心机模拟空战机动训练时飞行员的心律变化
The ultrasound was used as the measurement of the left atrium function in the first day and the thirtieth day after recovering the cardiac rhythm of the patients with AF. During six months follow-up, we recorded ECG and clinical symptoms. 利用多谱勒超声于房颤复律后的第一天和第三十天测定左心房功能:随访6个月,记录心电图和临床症状。
The Influence of Action Potential of Cardiac Tissue on Cardiac Rhythm 心肌动作电位对心脏节律的影响
Reverting cardiac rhythm for rapid atrial fibrillation after trauma in the old of venerable age 高龄老年人外伤后出现快速心房颤动的复律
Objective To establish a new model of cardiac rhythm. 目的建立一个新的心脏节律模型。
Analysis on psychological state of patients after underwent cardiac rhythm conversion defibrillator implantation and its nursing countermeasures 心律转复除颤器植入术病人心理状态分析及护理对策
Cardiac rhythm model based on neural cell 心脏节律的神经细胞模型
Methods Two Hodgkin-Huxley equations are used to simulate the potential of SA node and AV node, and to describe the regular pattern of cardiac rhythm. 方法利用两个Hodgkin-Huxley方程分别模拟窦房结和房室结的电位,综合描述心脏节律的规律。
Ventricular Fibrillation are malignant cardiac rhythm and easy to trigger the phenomenon of sudden cardiac death. 心室纤颤(VentricularFibrillation,VF)是恶性心律,易引发心脏猝死现象。
The DCM patients were divided into the normal cardiac rhythm group and the arrhythmia group based on whether had arrhythmia. 根据是否伴有心律失常将DCM患者分为心律正常组和伴有心律失常组。
The novel angle provides a new pathway to learn more information about the cardiac rhythm in the theoretical level. 新的研究视角为我们提供了一条进一步从理论层次认识心肌节律的途径。