for the past 4 days i have been having a sharp pain on the left side of my chest above my heart ? i am 20 years old, i have a sharp pain on the left side of my chest right above my heart....it happens about every half hour to every hour, it will be a shooting type pain, that kind of goes down in a line...certainly doesnt feel normal and i dont no what it is. i plan on going to the doctors, but would like to be know ahead of time to be educated before hand of the appointment. please help, thank you....