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A Computer Model Of The Dynamic Conduction Properties Of The Atrioventricular (AV) Node

Parameters describing the static and dynamic properties of AV nodal conduction were individually examined and quantitatively assessed using different pacing protocols on 7 autonomically blocked dogs. A computer model was developed to simulate AV nodal conduction on a beat to beat basis following any type of stimulation history. The model was used to simulate time-dependent changes observed in conduction patterns during second degree AV nodal block (Wenckebach rhythms). The model's predictions show excellent agreement with the experimental observations.