S-ICD intramuscular insertion

Subcutaneous implantable cardioverter defibrillator (S-ICD) implantation with the device placed in the intermuscular plane. Panel A shows the intermuscular space (*) between the latissimus dorsi muscle (arrow) and the serratus anterior muscle (double arrow) after dissection, but prior to placement of the subcutaneous ICD generator. Panel B shows the postoperative, lateral chest x-ray after subcutaneous ICD implantation with the device positioned posteriorly (dashed arrow).