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Updated: Jun 21, 2026

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节律失常:一种自动化工具,用于量化和分类iPSC-心肌细胞的Ca2+过渡体中的节律失常

Karim Ajmail1,2, Charlotte Brand1,2, Thomas Borchert1,2

  • 1Clinic for Cardiology and Pneumology, University Medical Center Göttingen, Göttingen, Germany.

American journal of physiology. Heart and circulatory physiology
|September 15, 2025
PubMed
概括

我们开发了Arrhythpy,这是一种自动化工具,通过分析人类诱导的多能干细胞衍生心肌细胞 (iPSC-CMs) 中的过渡物来量化心律失常. 这种新的方法直接测量心律失常水平,克服间接方法和人类偏差的局限性.

关键词:
节律失常 (arrhythmia) 是一种心律失常.自动化分析自动化分析信号传递的.人类诱导的多能干细胞心肌细胞.

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The normal cardiac rhythm is a synchronized electrical activity that facilitates the regular and coordinated contraction of the heart muscle. This process is essential for efficient blood circulation throughout the body. The fundamental elements involved in establishing and maintaining this rhythm include the unique electrical properties of cardiac muscle cells, the sinoatrial (SA) node's pacemaker function, the specialized conducting system, and the ionic mechanisms underlying each phase of...
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Arrhythmias are irregular heart rhythms occurring when the heart's electrical impulses become abnormal. These disturbances can lead to various symptoms, depending on their severity and the underlying cause. Some common factors contributing to arrhythmias include hypoxia, ischemia, electrolyte imbalances, excessive catecholamine exposure, drug toxicity, and muscle overstretching. Arrhythmias can be classified into two main types based on the rate and site of origin of abnormal heart rhythms.