著者所属：Department of Cardiology, Juntendo University School of Medicine Department of Cardiology, Juntendo University School of Medicine Department of Cardiology, Juntendo University School of Medicine Department of Cardiology, Juntendo University School of Medicine Department of Cardiology, Koshigaya Municipal Hospital
We report a case of a 48-year-old female who had atrioventricular nodal reentrant tachycardia (AVNRT) with 2:1 infra-His block and type 1 gap phenomenon.
