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  • Title: [Atrioventricular block and localized reentry into the trunk of the bundle of His].
    Author: Grolleau R, Puech P, Bosc E, Mellet JM, Latour H.
    Journal: Arch Mal Coeur Vaiss; 1976 Mar; 69(3):277-84. PubMed ID: 828012.
    Abstract:
    In a patient with an AV block and a resulting variable rhythm, the coupled ventricular complexes with dissociated P waves on the standard tracing suggested a reentry into the atrioventricular area. Intracavitary investigation revealed: 1) a complete bidirectional AV block in the upper portion of the bundle of His (there being a proximal His potential with a fixed relationship with the dissociated atrial activity shown on the ventriculogram); 2) escape of the bundle of His low down, or of the beginnings of the branches, preceded by a distal Hispotential; 3) re-entry echos preceded by a third variety of potential in the bundle of His.
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