It s been happening for a couple days. Here is a estimate heartbeat that is the pattern I feel. I know teens have heart palpitations sometimes and it s normal, I sometimes get one, like once a few weeks, but I don t think what I m feeling is normal...it s happens when mostly when I m sitting or laying down, or crouching. It doesn t happen all the time, sometimes I won t feel it the whole day but other times I ll feel it every 10 min. Here s the pattern in a shortened version. Every line is a heart beat: l---l--ll-l-l-ll--l--ll---l---l Every double heart beat feels like a flutter, it s weird feeling that I can t describe. Sometimes this pattern will happen once, or it will keep going for a couple minutes. Please help. It will flutter, and then it s at a faster rate. Then it will flutter again, then a slower rate, then it will flutter, and go back to normal. Remember, I m 14.