I am an 18 year old female. I have been having occasional heart flutters for a while now, but the one I had a few minutes ago was different. I was just laying in my bed, my heart started fluttering. It was nothing new. But then my arm went numb, my chest started hurting, and I got really dizzy. I told my mother, but she honestly doesn't seem to care. She gave me Tylenol and told me I would be fine. I'm not so sure, it scares me. I have no idea what could be wrong with me. I don't know what to do.