Once you are in the operating room, several monitoring devices will be
attached to your arms and legs. There will be thin tubes placed in a vein
and an artery. This is ordinarily not painful.
The anesthesiologist will administer the anesthetic, which will bring deep
sleep, freedom from pain, and absence of memory of the operation. During
surgery a heart-lung bypass machine will take over the normal functions
of your heart and lungs allowing the surgeon to replace or repair your
heart valve.