心脏的节律是复杂的、非线性的;其节律复杂性的起源是多层次的.实验观察了心肌细胞自发性搏动节律的模式,以及改变细胞间耦合强度时节律的转化规律.表明在以正常灌流液灌流状态下,心肌细胞表现为多种不同的节律模式,可以是周期的,也可以是非周期的.当细胞间耦合强度下降时,心肌细胞节律发生转化,并经倍周期分岔进入混沌节律.实验结果有助于更好地理解心脏节律复杂性的起源.总装备部科研项目中文核心期刊要目总览(PKU)中国科学引文数据库(CSCD)03279-2851
Coherent relaxation and contraction of the heart muscle is essential for efficiently pumping blood t...
Periodic stimulation of an aggregate of spontaneously beating cultured cardiac ells displays phase l...
This paper describes a method for chaotic analysis of heart rate variability. The box-counting dimen...
目的本文介绍一种培养心脏细胞自发搏动的复杂节律-整数倍节律,并探讨其产生机理和可能生理意义.方法乳鼠心肌细胞离体培养,利用光密度检测系统记录细胞自发性搏动节律并进行分析;利用理论模型数值仿真分析实验现...
实验报道了心肌细胞团自发性同步化搏动的一类新节律--整数倍节律.这种稳定的节律模式由两种相关的搏动形式的随机交替出现形成,这两种搏动形式中任何一种的出现间期具有整数倍特征.在静息状态和周期1搏动间的随...
The normal cardiac rhythm can undergo transitions that lead to serious cardiac arrhythmias. In this ...
INTRODUCTION: Complex cardiac arrhythmias often start and stop spontaneously. These poorly understoo...
Experiments are described in which the electrical activity of a spontaneously beating aggregate of e...
ABSTRACT The degeneration of a regular heart rhythm into fibrillation (a chaotic or chaos-like seque...
AbstractThe degeneration of a regular heart rhythm into fibrillation (a chaotic or chaos-like sequen...
Cardiac muscle cells can exhibit complex patterns including irregular behaviour such as chaos or (ch...
Chaotic systems are nature variable, which serve as important mechanism for adaptability and flexibi...
The heart functions as a syncytium of cardiac myocytes and surrounding supportive non-myocytes such ...
人は日々様々な刺激にさらされており、これから強弱様々なストレスを受けている。ストレスは自律神経の働きに影響を及ぼし、長期間のストレスが病気の引き金になっていると思われるケースが多く報告されている。本研...
ABSTRACT Dynamical mechanisms of the biological pacemaker (BP) generation in human ventricular myocy...
Coherent relaxation and contraction of the heart muscle is essential for efficiently pumping blood t...
Periodic stimulation of an aggregate of spontaneously beating cultured cardiac ells displays phase l...
This paper describes a method for chaotic analysis of heart rate variability. The box-counting dimen...
目的本文介绍一种培养心脏细胞自发搏动的复杂节律-整数倍节律,并探讨其产生机理和可能生理意义.方法乳鼠心肌细胞离体培养,利用光密度检测系统记录细胞自发性搏动节律并进行分析;利用理论模型数值仿真分析实验现...
实验报道了心肌细胞团自发性同步化搏动的一类新节律--整数倍节律.这种稳定的节律模式由两种相关的搏动形式的随机交替出现形成,这两种搏动形式中任何一种的出现间期具有整数倍特征.在静息状态和周期1搏动间的随...
The normal cardiac rhythm can undergo transitions that lead to serious cardiac arrhythmias. In this ...
INTRODUCTION: Complex cardiac arrhythmias often start and stop spontaneously. These poorly understoo...
Experiments are described in which the electrical activity of a spontaneously beating aggregate of e...
ABSTRACT The degeneration of a regular heart rhythm into fibrillation (a chaotic or chaos-like seque...
AbstractThe degeneration of a regular heart rhythm into fibrillation (a chaotic or chaos-like sequen...
Cardiac muscle cells can exhibit complex patterns including irregular behaviour such as chaos or (ch...
Chaotic systems are nature variable, which serve as important mechanism for adaptability and flexibi...
The heart functions as a syncytium of cardiac myocytes and surrounding supportive non-myocytes such ...
人は日々様々な刺激にさらされており、これから強弱様々なストレスを受けている。ストレスは自律神経の働きに影響を及ぼし、長期間のストレスが病気の引き金になっていると思われるケースが多く報告されている。本研...
ABSTRACT Dynamical mechanisms of the biological pacemaker (BP) generation in human ventricular myocy...
Coherent relaxation and contraction of the heart muscle is essential for efficiently pumping blood t...
Periodic stimulation of an aggregate of spontaneously beating cultured cardiac ells displays phase l...
This paper describes a method for chaotic analysis of heart rate variability. The box-counting dimen...
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