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Transient outward K(+) current reduction prolongs action potentials and promotes afterdepolarisations: a dynamic-clamp study in human and rabbit cardiac atrial myocytes

Human atrial transient outward K(+) current (I(TO)) is decreased in a variety of cardiac pathologies, but how I(TO) reduction alters action potentials (APs) and arrhythmia mechanisms is poorly understood, owing to non-selectivity of I(TO) blockers. The aim of this study was to investigate effects of...

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Main Authors: Workman, A J, Marshall, G E, Rankin, A C, Smith, G L, Dempster, J
Formato: Artigo
Idioma:Inglês
Publicado: Blackwell Science Inc 2012
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Acceso en liña:https://ncbi.nlm.nih.gov/pmc/articles/PMC3473286/
https://ncbi.nlm.nih.gov/pubmed/22733660
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1113/jphysiol.2012.235986
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