Tedisamil is an antiarrhythmic agent primarily targeting the transient outward potassium current (I(to)) in the atrium, leading to a significant reduction in heart rate. This compound also inhibits various potassium currents, including IK and K(ATP), as well as PKA-activated chloride channels, ultimately prolonging the cardiac action potential and QT interval. Tedisamil demonstrates effective antiarrhythmic properties against ventricular arrhythmias and atrial flutter in preclinical animal models, making it a valuable tool for cardiovascular research.
Tedisamil is an antiarrhythmic agent primarily targeting the transient outward potassium current (I(to)) in the atrium, leading to a significant reduction in heart rate. This compound also inhibits various potassium currents, including IK and K(ATP), as well as PKA-activated chloride channels, ultimately prolonging the cardiac action potential and QT interval. Tedisamil demonstrates effective antiarrhythmic properties against ventricular arrhythmias and atrial flutter in preclinical animal models, making it a valuable tool for cardiovascular research.
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