Traditional and novel electrocardiographic conduction and repolarization markers of sudden cardiac death

G Tse, BP Yan - Europace, 2017 - academic.oup.com
Sudden cardiac death, frequently due to ventricular arrhythmias, is a significant problem
globally. Most affected individuals do not arrive at hospital in time for medical treatment …

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 …

Intercalated disk nanoscale structure regulates cardiac conduction

N Moise, HL Struckman, C Dagher… - Journal of General …, 2021 - rupress.org
The intercalated disk (ID) is a specialized subcellular region that provides electrical and
mechanical connections between myocytes in the heart. The ID has a clearly defined …

[HTML][HTML] Electrophysiological mechanisms of long and short QT syndromes

G Tse, YWF Chan, W Keung, BP Yan - IJC Heart & Vasculature, 2017 - Elsevier
The QT interval on the human electrocardiogram is normally in the order of 450 ms, and
reflects the summated durations of action potential (AP) depolarization and repolarization of …

[HTML][HTML] Conduction abnormalities and ventricular arrhythmogenesis: The roles of sodium channels and gap junctions

G Tse, JM Yeo - IJC Heart & Vasculature, 2015 - Elsevier
Ventricular arrhythmias arise from disruptions in the normal orderly sequence of electrical
activation and recovery of the heart. They can be categorized into disorders affecting …

What is the arrhythmic substrate in viral myocarditis? Insights from clinical and animal studies

G Tse, JM Yeo, YW Chan, ETHL Lai, BP Yan - Frontiers in Physiology, 2016 - frontiersin.org
Sudden cardiac death (SCD) remains an unsolved problem in the twenty-first century. It is
often due to rapid onset, ventricular arrhythmias caused by a number of different clinical …

Distribution of cardiac sodium channels in clusters potentiates ephaptic interactions in the intercalated disc

E Hichri, H Abriel, JP Kucera - The Journal of physiology, 2018 - Wiley Online Library
Key points It has been proposed that ephaptic conduction, relying on interactions between
the sodium (Na+) current and the extracellular potential in intercalated discs, might …

[HTML][HTML] Cardiac disease and arrhythmogenesis: Mechanistic insights from mouse models

L Choy, JM Yeo, V Tse, SP Chan, G Tse - IJC heart & vasculature, 2016 - Elsevier
The mouse is the second mammalian species, after the human, in which substantial amount
of the genomic information has been analyzed. With advances in transgenic technology …

The conduction velocity-potassium relationship in the heart is modulated by sodium and calcium

DR King, M Entz, GA Blair, I Crandell… - … -European Journal of …, 2021 - Springer
The relationship between cardiac conduction velocity (CV) and extracellular potassium (K+)
is biphasic, with modest hyperkalemia increasing CV and severe hyperkalemia slowing CV …

Reevaluating methods reporting practices to improve reproducibility: an analysis of methodological rigor for the Langendorff whole heart technique

DR King, KM Hardin, GS Hoeker… - American Journal of …, 2022 - journals.physiology.org
In recent decades, the scientific community has seen an increased interest in rigor and
reproducibility. In 2017, concerns about methodological thoroughness and reporting …