Why am i light headed shaky and quezy?

for some reason im really light headed shaky and feel queasy and at times it feels like my hearts beat slowing and its heard to breath im not over wight im only like 94 pounds and im 14 so i dought im having a heart attack or something like that i do have hypoglycemia witch is just something that makes me lightheaded when i dont eat enught but ive been eating alot today so i dought its that so why is this? sorry if this is worded weird i dont feel like reading over it