Differential effects of the new class III antiarrhythmic agents almokalant, E-4031 and D-sotalol, and of quinidine, on delayed rectifier currents in guinea pig ventricular …

E Wettwer, M Grundke, U Ravens - Cardiovascular research, 1992 - academic.oup.com
Objectives The effects of almokalant (4-[3-ethyl [3-(propylsulphinyl) propyl]-amino]-2-hydroxy-
propoxyj-benzonitrile), E-4031 (1-[2-(6-methyl-2-pyridyl)-ethyl]-4-(4-methylsulphonyl-amino …

Comparison of the effects of class I anti-arrhythmic drugs, cibenzoline, mexiletine and flecainide, on the delayed rectifier K+ current of guinea-pig ventricular myocytes

DW Wang, T Kiyosue, T Sato, M Arita - Journal of molecular and cellular …, 1996 - Elsevier
The effect of class I anti-arrhythmic drugs, cibenzoline, mexiletine and flecainide, on the
delayed rectifier potassium current (IK) in guinea-pig ventricular myocytes was studied using …

Use-dependent block of the delayed K+ current in rabbit ventricular myocytes

E Carmeliet - Cardiovascular drugs and therapy, 1993 - Springer
Block of the delayed K+ current, i K, and the concomitant increase in refractoriness is
considered an alternative to a decrease of conduction in the treatment of reentry …

Heterogeneous distribution of the two components of delayed rectifier K+ current: a potential mechanism of the proarrhythmic effects of methanesulfonanilideclass III …

J Cheng, K Kamiya, W Liu, Y Tsuji… - Cardiovascular …, 1999 - academic.oup.com
Objective: To elucidate the regional difference of the K+ current blocking effects of
methanesulfonanilide class III agents. Methods: Regional differences in action potential …

Proarrhythmic effects of the class III agent almokalant: importance of infusion rate, QT dispersion, and early afterdepolarisations

L Carlsson, C Abrahamsson, B Andersson… - Cardiovascular …, 1993 - academic.oup.com
Objective: The aim was to study factors contributing to torsade de pointes in the acquired
long QT syndrome. Methods: Anaesthetised rabbits or cats were given a continuous infusion …

Comparison of the effect of class IA antiarrhythmic drugs on transmembrane potassium currents in rabbit ventricular myocytes

N lost, L Virág, A Varró… - Journal of cardiovascular …, 2003 - journals.sagepub.com
Background: The blockade of cardiac transmembrane potassium channels, which is
commonly seen with vanous antiarrhythmic drugs, plays an important role in their …

Potassium and calcium current blocking properties of the novel antiarrhythmic agent H 345/52: implications for proarrhythmic potential

GJ Amos, C Abrahamsson, G Duker… - Cardiovascular …, 2001 - academic.oup.com
Objectives: To study the blocking effects of H 345/52 on ionic currents of rabbit ventricular
myocytes and how these features translate into a proarrhythmic potential. Methods: The …

Electrophysiological effects of ibutilide on the delayed rectifier K+ current in rabbit sinoatrial and atrioventricular node cells

N Sato, H Tanaka, Y Habuchi, WR Giles - European journal of …, 2000 - Elsevier
Biophysical and pharmacological characteristics of the delayed rectifier K+ current (IK) of
rabbit sinoatrial (SA) node and atrioventricular (AV) node cells have been studied using the …

Cellular electrophysiology of WAY-123,398, a new class III antiarrhythmic agent: specificity of IK block and lack of reverse use dependence in cat ventricular myocytes

W Spinelli, IF Moubarak, RW Parsons… - Cardiovascular …, 1993 - academic.oup.com
Objective: The objectives were (a) to evaluate the effects of WAY-123,398, a new class III
antiarrhythmic agent, on the action potential of canine Purkinje fibres in comparison with …

Block of delayed rectifier potassium current, IK, by flecainide and E-4031 in cat ventricular myocytes.

CH Follmer, TJ Colatsky - Circulation, 1990 - Am Heart Assoc
Block of the delayed rectifier potassium current, IK, by the class IC antiarrhythmic agent,
flecainide, and by the novel selective class III antiarrhythmic agent, E-4031, were compared …