i’ve been experiencing really bad sharp pain or feel tightness in the chest , it can move to the middle of the chest the right or left or it can stay in one spot for hours or eventually hurt EVERYWHERE , idk what to do anymore i’ve been to the emergency room multiple times , i’ve seen a cardiologist and they all say i’m fine and that it’s anxiety:( , i’m scared i’m having a heart attack and i’m only 16 can someone help plz or does someone relate to this!