hii, im 14 years old and i was having ALOT of health issues over the last few months and the doctors still dont know whats wrong with me, but this is a new thing thats just happening today, im 5 11 a girl and for the last few hours my heart like flutters it will go really fast then slow right down it also comes with extreamly sharp pains my mother wants to take me into the er but i was there so much the last little while im just sick of them .. thanks:)