Implantation
The process of implantation of an ICD is similar to implantation of a pacemaker. Similar to pacemakers, these devices typically include electrode wire(s) that pass through a vein to the right chambers of the heart, usually lodging in the apex of the right ventricle. The difference is that pacemakers are more often temporary and are generally designed to correct bradycardia, while ICDs are often permanent safeguards against sudden arrhythmias.
The most recent development is the subcutaneous ICD (S-ICD). Current state-of-the-art electronics and batteries have enabled an implantable device to deliver enough energy to defibrillate the heart without the need for a lead in or on the heart. This prevents lead-related problems and the risk of dangerous infections in or near the heart. This ICD is positioned just under the skin and outside the ribcage. It can be placed during a minor procedure under conscious sedation. The S-ICD was approved by the US Food and Drug Administration (FDA) in September 2012.
Read more about this topic: Implantable Cardioverter-defibrillator
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