I've actually considered getting one. Was it easy to request one or did you have a condition that caused the doctor to order one?
About 9 years ago I had zero symptoms. My family doctor said the scan was very inexpensive, and basically... If they don't find anything you're out ~$125. But if they do find something... 1) insurance pays for it, and 2) then you can start treatments and add some time to your life.
I couldn't argue with the logic. Filling out the paperwork took longer than the scan. They discovered a 40% blockage. I started seeing a cardiologist and placed on a maintenance dose of statins.
When I had my "event", 8 years worth of cardiology records (several EKG's, sonograms, 2 stress tests, etc) were all accessible to the hospital. So I was wheeled directly from the ambulance right into the stint lab. I was getting a stint 45 min after my attack.