ICDimplantointia

ICDimplantointi is the medical procedure of inserting an implantable cardioverter defibrillator (ICD) into a patient. An ICD monitors heart rhythm and delivers electrical shocks to restore normal pacing when dangerous arrhythmias occur. The device consists of a pulse generator, usually placed in a subcutaneous pocket near the collarbone, and leads that are threaded through the veins to the heart. The most common implantation techniques involve femoral, axillary, or subclavian vein access, with the lead positioned in the right ventricle or the cardiac septum.

Candidates for ICDimplantointi typically have a high risk of sudden cardiac death due to ventricular tachycardia, ventricular fibrillation, or a weakened left ventricular ejection fraction. The decision to implant is guided by guidelines from heart societies and evidence from large trials. Prior to implantation, patients undergo ECG, imaging, and risk stratification, and in some cases a temporary pacing lead is placed for monitoring.

During the procedure, the patient is sedated or under local anesthesia, and a catheter is guided under fluoroscopic imaging. The lead is placed and its position confirmed by electrograms and imaging. The pulse generator is then sutured into place, and the system tested by delivering a test shock. Post‑implantation care involves monitoring for complications such as lead dislodgement, infection, or inappropriate shocks. Lifespan of the device is typically 10‑15 years, after which generator replacement is required while leads may remain for many years.