A nuclear imaging study of the heart is less common than many other tests, even by our standards here in the US
. If you had something that was diagnosable, it would likely have been diagnosed by now. But none of us can see the bus driving down the highway toward our car, 30 miles away, the brakes about to fail. My point is that we find a balance between worrying and never leaving the house, or learning to accept the fact that life is precious and sometimes fragile.