Has it ever happened to you that after a long day, as you lay down to sleep, you heard the unsettling sound of a loudly beating heart that kept you awake? Where does this come from, and should you be ...
ROACH: I had a comment about your recent column on nuclear stress tests. As an 87-year-old person who has experienced atrial fibrillation and a mild stroke, I have had two nuclear stress tests done.