[HTML][HTML] Mechanisms of cardiac arrhythmias

G Tse - Journal of arrhythmia, 2016‏ - Elsevier
Blood circulation is the result of the beating of the heart, which provides the mechanical
force to pump oxygenated blood to, and deoxygenated blood away from, the peripheral …

Reactive oxygen species, endoplasmic reticulum stress and mitochondrial dysfunction: the link with cardiac arrhythmogenesis

G Tse, BP Yan, YWF Chan, XY Tian… - Frontiers in Physiology, 2016‏ - frontiersin.org
Background: Cardiac arrhythmias represent a significant problem globally, leading to
cerebrovascular accidents, myocardial infarction, and sudden cardiac death. There is …

Molecular and electrophysiological mechanisms underlying cardiac arrhythmogenesis in diabetes mellitus

G Tse, ETH Lai, V Tse, JM Yeo - Journal of diabetes research, 2016‏ - Wiley Online Library
Diabetes is a common endocrine disorder with an ever increasing prevalence globally,
placing significant burdens on our healthcare systems. It is associated with significant …

Intracellular ion accumulation in the genesis of complex action potential dynamics under cardiac diseases

X Wang, J Landaw, Z Qu - Physical Review E, 2024‏ - APS
Intracellular ions, including sodium (Na+), calcium (Ca 2+), and potassium (K+), etc.,
accumulate slowly after a change of the state of the heart, such as a change of the heart rate …

Global optimization of ventricular myocyte model to multi-variable objective improves predictions of drug-induced torsades de pointes

T Krogh-Madsen, AF Jacobson, FA Ortega… - Frontiers in …, 2017‏ - frontiersin.org
In silico cardiac myocyte models present powerful tools for drug safety testing and for
predicting phenotypical consequences of ion channel mutations, but their accuracy is …

Dynamical mechanisms of phase-2 early afterdepolarizations in human ventricular myocytes: insights from bifurcation analyses of two mathematical models

Y Kurata, K Tsumoto, K Hayashi… - American Journal …, 2017‏ - journals.physiology.org
Early afterdepolarization (EAD) is known as a cause of ventricular arrhythmias in long QT
syndromes. We theoretically investigated how the rapid (I Kr) and slow (I Ks) components of …

Anti-arrhythmic strategies for atrial fibrillation: The role of computational modeling in discovery, development, and optimization

E Grandi, MM Maleckar - Pharmacology & therapeutics, 2016‏ - Elsevier
Atrial fibrillation (AF), the most common cardiac arrhythmia, is associated with increased risk
of cerebrovascular stroke, and with several other pathologies, including heart failure …

Multiple Dynamical Mechanisms of Phase-2 Early Afterdepolarizations in a Human Ventricular Myocyte Model: Involvement of Spontaneous SR Ca2+ Release

Y Kurata, K Tsumoto, K Hayashi, I Hisatome… - Frontiers in …, 2020‏ - frontiersin.org
Early afterdepolarization (EAD) is known to cause lethal ventricular arrhythmias in long QT
syndrome (LQTS). In this study, dynamical mechanisms of EAD formation in human …

Altered calcium handling and ventricular arrhythmias in acute ischemia

P Baumeister, TA Quinn - Clinical Medicine Insights …, 2016‏ - journals.sagepub.com
Acute ischemia results in deadly cardiac arrhythmias that are a major contributor to sudden
cardiac death (SCD). The electrophysiological changes involved have been extensively …