Cellular electrophysiological basis for oxygen radical-induced arrhythmias. A patch-clamp study in guinea pig ventricular myocytes.
Author(s) -
Elisabetta Cerbai,
Giuseppe Ambrosio,
Francesco Porciatti,
M Chiariello,
A Giotti,
Alessandro Mugelli
Publication year - 1991
Publication title -
circulation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 7.795
H-Index - 607
eISSN - 1524-4539
pISSN - 0009-7322
DOI - 10.1161/01.cir.84.4.1773
Subject(s) - afterdepolarization , electrophysiology , egta , medicine , patch clamp , radical , calcium , superoxide dismutase , biophysics , membrane potential , guinea pig , endocrinology , myocyte , chemistry , pharmacology , biochemistry , oxidative stress , biology , repolarization
Oxygen radicals have been implicated in the pathogenesis of reperfusion arrhythmias. However, the basic electrophysiological alterations accompanying the effects of oxygen radicals on action potential (AP) are poorly understood.
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