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Publication details
Effect of ajmaline on action potential and ionic currents in rat ventricular myocytes
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Year of publication | 2005 |
Type | Article in Periodical |
Magazine / Source | General Physiology and Biophysics |
MU Faculty or unit | |
Citation | |
Field | Physiology |
Keywords | ajmaline; action potential; ionic currents; concentration dependence; rat ventricular myocytes |
Description | Ajmaline decreased the upstroke velocity of action potential and action potential amplitude, increased the action potential duration measured at 50 and 90% repolarization, and reversibly inhibited most components of membrane ionic current in a concentration-dependent manner; IC50 was 27.8 umol/l for INa, 70.8 umol/l for ICa, 25.9 umol/l for Ito, 61.0 umol/l for IK, and 13.3 umol/l for IKATP. |
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