A quiet, nagging question always lingered in the back of my mind: Was that flutter just stress, or was I having a heart attack? I would feel a skip, a thud, or sometimes a rush. I would try to “listen ...

Question: I’ve been experiencing heart palpitations a few times a week. They only last seconds, but they’re frightening. Should I be concerned? I am a 32-year-old female. Dr Grant replies: The ...