Wednesday 2 November 2011

Implantable Cardioverter-Defibrillator (ICD) - How is the action performed?

When we're ready to start you'll be brought into the cardiac catheterization lab (much like an operating room with x-ray cameras) and you'll lie on a table while our technicians prepare the area on your body where we'll be working. In most patients we place the ICD just below the collarbone on the left chest wall. We can also implant the ICD on the right if there is a reason the left side can't be used (eg a patient with a left arm dialysis fistula or previous surgery for breast cancer). The technicians will cover your chest and face with a drape to protect the sterile area where we'll work (the drape over the face can bother some patients—we can provide more sedation to you if you think this will be a problem). After providing you with some sedating medication we numb the area of skin with local anesthetic. We make an incision about two inches long and then create an area under the skin where we can place the ICD. We pass the wires (leads) into veins that lead directly into the right atrium and ventricle of the heart. Once we place and secure the leads in the heart we test them electrically to make sure we have good conduction and adequate position to pace the heart. We attach the leads to the ICD and place it under the skin. At that point you will be fully sedated and we will test the shock function of the ICD. Finally, we close the skin with absorbable suture so that you will not need stitches removed. You will stay in the hospital overnight so that we can observe your ...

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