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Temporal response of ectopic activity in guinea pig ventricular myocardium in response to isoproterenol and acetylcholine
Both beta adrenergic and musoarinio receptor stimulation independently potentiate arrhy-thmogenesis. However, the effect of simultaneous stimulation on arrhy-thmogenesis is not well known. The purpose of this study was to ...
Distinguishing between overdrive excited and suppressed ventricular beats in guinea pig ventricular myocardium
Rapid ventricular pacing rates induces two types of beats following pacing cessation: recovery cycle length (RCL) prolongation (overdrive suppression) and RCL shortening (overdrive excitation). The goals of this study were ...