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Center for Cardiac Arrhythmias and Electrophysiology

The Arrhythmia Center at the University of Tokyo Hospital is comprised of staff members who have the experience and expertise to diagnose and provide appropriate treatment for all abnormal heard rhythms (arrhythmias) or heart failure. The Center also manages all cardiac implantable devices and responds to device-related issues.

Medical services / Diagnosis and treatment policy

The Arrhythmia Center employs a patient-centered team approach, with cardiac specialists (internal medicine, pediatrics, surgery and radiology), nurses, clinical engineers and radiology technicians working together to provide comprehensive care. The Center employs state-of-the-art diagnostic tools and therapeutic procedures to determine the most appropriate treatment option tailored to each patient’s condition. A full-time outpatient second-opinion service is also available.

Target diseases

The Arrhythmia Center offers treatment for conditions relating to arrythmias and all conditions treated with implantable devices that include the following:

  • All arrythmias
  • All heart failure and sudden cardiac deaths that can be prevented or treated with cardiac implantable devices
  • All problems pertaining to cardiac implantable devices
  • Hereditary conditions that cause arrhythmia and sudden death
  • Fainting
  • Strokes of unknown causes (cryptogenic strokes)


In addition to outpatient drug therapy, the Center performs the following procedures:

  • Catheter ablation of arrhythmias
  • Treatment with cardiac implantable devices
  • Extraction of cardiac implantable devices (extractions with excimer laser and powered sheath)
  • Implantable device management through remote monitoring

For appointments and inquiries

IFor consultations through email regarding arrhythmia treatment, cardiac implantable device treatment or device removal at the Center, please contact

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