Bridging would be the same regardless of what surgery your having. Either you'll be admitted to the hospital and placed on a Heparin drip or prescribed Lovenox and give yourself shots twice a day.
If Lovenox is used, you stop Coumadin about 3 to 5 days before surgery and when your INR hits 2.0, you begin Lovenox once every 12 hours until 12 to 16 hours before surgery.
After surgery, when all bleeding is under control, they'll start the Lovenox and Coumadin together and keep the Lovenox every 12 hours until your above 2.0.