Fig. 3From: R-wave synchronised atrial pacing in pediatric patients with postoperative junctional ectopic tachycardia: the atrioventricular interval investigated by computational analysis and clinical evaluationCalculated intervals between atrial pacing and ventricular sensing (AP–VS) vs. heart rate with normal PQ durations based on literature as a reference (top). Graphs of normal PQ durations + 10 ms and + 20 ms were plotted to facilitate visual perception of changes in time lengths. Gradients of both calculated AP–VS curves (bottom)Back to article page