Cardiac Pacing and Electrophysiology (original) (raw)
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Special Issue: “Biophysics, Arrhythmias and Pacing”
Biology
Cardiac pacing technologies have been implemented during the last few decades, including leadless pacemakers and pacing of the conduction system, such as His bundle pacing and left bundle branch area pacing [...]
Hemodynamic effects of tachycardias produced by atrial and ventricular pacing
American Journal of Medicine, 1965
URRENT therapy of complete heart block with both synchronous [ I] and asynchronous implanted pacemakers [Z] has aroused considerable interest in the hemodynamic contributions of synchronized atria1 activity to ventricular function . This problem has been approached by investigation of hemodynamic changes in complete heart block in man and also by experimental studies in animals [5-71 of the effects of atria1 and ventricular activity. A recent abstract has attempted to extend the findings in experimental animals to man in five patients in sinus rhythm [S]. The purpose of the present report was to analyze in some detail the relative hemodynamic effects of atria1 and ventricular tachycardias in fifty-four patients with normal sinus rhythm. Observations were made during idioventricular right ventricular outflow tract pacing and during right atria1 pacing with a bipolar electrode pacemaker catheter. Since pacing was performed in patients in normal sinus rhythm, the studies were carried out at a series of heart rates above the control sinus rate both during atria1 and ventricular pacing.
Journal of the American College of Cardiology, 2020
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