Pacing Dependence of the Slow Inward Current in Frog Atrial Myocardium


By means of an improved double sucrose gap technique the dependence of the slow inward current in small frog atrial trabeculae on the activation pattern was studied. Increasing the frequency of depolarizing voltage steps (pacing) the steady state slow inward current (TTX resistent and blocked by verapamil) was decreased. After a 300 s resting interval the… (More)


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