Equipment, system and method are disclosed for treating arrhythmia cordis. Exemplary means include that a support component has a first end and one second. It is located at the supporting element of the second end close to the supporting element of first end and at least the second pacing electrode at least the first pacing electrode. Defibrillation electrode is located at the first pacing electrode and the second pacing electrode. Example patient treats, and is used to treat arrhythmia cordis including device and device is placed in the heart of neighbouring patient.
