Kishiwada Tokushukai Hospital > Cardiology > Arrhythmia — Ablation & Device Therapy

Arrhythmia — Ablation & Device Therapy

Catheter ablation (2024)
77 procedures — including pulse field ablation from April 2025

Device therapy (2024)
Pacemaker 58 / ICD 3 / CRT 2

Technology
Pulse field ablation, cryoballoon, and radiofrequency — selected by arrhythmia type and anatomy

Follow-up
Remote monitoring for device patients

The Cardiology Department provides evaluation and treatment for a wide range of arrhythmias,
including atrial fibrillation, supraventricular tachycardia, bradyarrhythmia,
and ventricular arrhythmias.
Catheter ablation is offered using multiple energy modalities, including pulse field ablation,
introduced at this hospital in April 2025, alongside pacemaker, ICD, and CRT implantation.

What is arrhythmia?

Arrhythmia refers to an abnormal heart rhythm or rate —
whether too fast (tachycardia), too slow (bradycardia), or irregular.
Symptoms range from palpitations and dizziness to syncope and, in some cases,
sudden cardiac arrest.

Arrhythmias treated at this hospital include atrial fibrillation (AF),
atrial flutter, supraventricular tachycardia (SVT), ventricular tachycardia (VT),
and bradyarrhythmias requiring pacemaker therapy.

Catheter ablation

Catheter ablation treats arrhythmia by targeting the abnormal electrical pathway
or focus within the heart.
The procedure is performed under sedation or general anaesthesia,
depending on the case.

Three ablation modalities are available and selected according to arrhythmia type and anatomy:

  • Pulse field ablation (PFA):
    Introduced in April 2025. Uses electrical pulses rather than heat or cold
    and may reduce injury to surrounding structures such as the oesophagus and phrenic nerve.
  • Cryoballoon ablation:
    Freezing-based technique used mainly for pulmonary vein isolation in atrial fibrillation.
  • Radiofrequency ablation:
    Established heat-based technique used for a wide range of arrhythmias.

Device therapy

For bradyarrhythmia and life-threatening ventricular arrhythmias,
implantable device therapy is available, including:

  • Pacemaker: For bradycardia and conduction disorders — including leadless pacemaker implantation.
  • ICD (implantable cardioverter-defibrillator): For prevention of sudden cardiac death due to ventricular arrhythmias — including subcutaneous ICD (S-ICD).
  • CRT (cardiac resynchronisation therapy): For selected patients with heart failure and conduction delay.

Remote monitoring is available for device patients,
allowing ongoing follow-up without frequent hospital visits.

Appointment

Appointments are required in principle. A referral letter from another medical institution is recommended but not mandatory.

For appointment requests and language support, please see the
Cardiology page.