Noncontact endocardial activation map of focal atrial fibrillation
Noncontact endocardial activation map of focal atrial fibrillation
The noncontact endocardial activation map of the half-open left atrium shows that the initial depolarization from an ectopic focus spreads centrifugally from the ostium of the right upper pulmonary vein (RUP), indicated by the white-blue color.
