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  • Title: Concealed (proximal) Wenckebach phenomenon with distal 2:1 exit block in the ectopic-ventricular junction.
    Author: Kinoshita S, Fujita K, Kawaguchi H, Kanda K, Tanabe Y.
    Journal: Chest; 1978 Feb; 73(2):198-201. PubMed ID: 74308.
    Abstract:
    The findings in two patients with interpolated ventricular extrasystoles showing 2:1 exit block are reported. In these patients the blocked impulses appear to penetrate into the ectopic-ventricular junction (or reentrant pathway) to a varying extent, and the coexistance of a distal 2:1 exit block and a proximal (concealed) Wenckebach phenomenon in the ectopic-ventricular junction is suggested.
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