Jastrzębski Marek, Sondej Tomasz, Kukla Piotr
I Klinika Kardiologii i Elektrokardiologii Interwencyjnej oraz Nadciśnienia Tętniczego, Szpital Uniwersytecki, Kraków.
Kardiol Pol. 2013;71(4):421-4. doi: 10.5603/KP.2013.0074.
We present electrocardiograms of a 37 year-old male with frequent extrasystoles and second-degree atrioventricular block. Electrophysiological study confirmed the initial diagnosis of manifest and concealed His bundle ectopy as the cause of his brady- and tachyarrhythmia.
