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Table 1 List of timers used in the AF-VP model

From: Open source model for generating RR intervals in atrial fibrillation and beyond

Timer Start condition Stop condition
AF interval timer Arrival of AF impulse End of AF interval
RR interval timer Any VS or VP event Next VS or VP event
AVJ refractory timer AVJ activation End of AVJ refractory period
VP clock timer Any VS or VP event End of VP interval
Antegrade AVJ timer Antegrade AVJ activation End of antegrade AVD
Retrograde AVJ timer Retrograde AVJ activation End of retrograde AVD
Antegrade ventricle timer End of antegrade AVD VS event or ventricle fusion
Retrograde ventricle timer Delivery of VP Retrograde invasion of AVJ or ventricle fusion