1. In the technique, a device is implanted in the abdomen and electrical leads are threaded through veins to the heart. 2. Leads are threaded through a vein into the heart. 3. Pacemaker leads are threaded intravenously through a catheter down into the heart, and open-chest surgery is not required. 4. It is installed under the skin in the upper chest and wire leads are threaded through vessels into the heart chambers. |
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