and an ultrasound of your heart can be done. it's noninvasion inand you can see how well the heart's pumping. a ct angiogram, not a screening test because, one, you'll absolutely find an abnormality and, two, there's a big radiation dose with that test. >> isn't it accurate to say the thallium stress test, where they inject the thallium dye into your heart? >> absolutely, the thallium stress test is one notch up where you get an injection of a radioactive tracer and they check out the injection fraction of your heart. it's the next step up, if they're concerned about heart function. >> you had bypass, right? >> yes. >> how long ago? >> 15 years ago. you eventually pay, joe, in your case, it was the '80s, the lost decade of the cheeseburgers. >> you say the lost decade, it was more like 40 pounds.