Ventricular action potential duration (APD) can be an important element of many physiological functions including arrhythmogenesis. 26) mmHg; 0.05. ARI and SBP exhibited significant cyclical variants ( 0.05) with respiration in every topics with peak-to-peak amplitudes ranging between 0.7 and 17.0 mmHg and 1 and 16 ms, respectively. Infusion of metoprolol decreased the mean peak-to-peak… Continue reading Ventricular action potential duration (APD) can be an important element of