Pseudo superior vena cava entrance block during sinus rhythm uncovered by continuous atrial pacing.
Takayuki SekiharaDaisetsu AoyamaTomoya EguchiHiroyasu UzuiHiroshi TadaPublished in: Journal of arrhythmia (2022)
Usually, superior vena cava (SVC) entrance block is confirmed when SVC potentials disappear during sinus rhythm. We present a case of pseudo SVC entrance block during sinus rhythm, which was uncovered by continuous atrial pacing.