Abbott took "a deliberately very different development path ... for the waveform" behind its Volt PFA system, said Dr.

P waves will not be seen on the ECG in patients with atrial fibrillation. At times, the P wave activity may be observed as “coarse fibrillatory waves,” and the term “coarse atrial ...

Wandering atrial pacemaker is similar to multifocal ... Thus, each QRS complex will be preceded by a P wave ― though each P wave will have a different morphology, as it is originating from ...