xx This tracing is an example of a common reality of para-Hisian pacing; sometimes we do not actually record a His potential. We can none the less deduce whether or not we are capturing His (as ...

An almost simultaneous activation of the biatrial paraseptal region and diffuse area of initial activation in each of the atria are included as the distinctive initial activation patterns of ...

In this article we will review differential diagnostic pacing maneuvers. It is not meant to be an exhaustive review of all such maneuvers. Rather, we offer some general analytic principles as they ...