[Extranodal alternating Wenckebach].
D002036:Bundle of His / Q000503:physiopathology; D006325:Heart Atria / Q000503:physiopathology; D006327:Heart Block / Q000150:complications / Q000503:physiopathology*; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D011690:Purkinje Fibers / Q000503:physiopathology; D014927:Wolff-Parkinson-White Syndrome / Q000150:complications
Wenckebach alternante extranodal.