A shock time...

I have feel not well for a week already..but today i feel more not feeling well..then my mom suggest me to see doctor..i feel all the time giddy and headache...when i reach the clinic , i still have to wait for other patient..so i sleep on my mom hand..then later my turn..i think i am just fewer..so nothing..but later doctor say no fewer..but when i feel giddy and headache..i sure will sick..then later doctor check my blood pressure..she say i low blood pressure..so will feel giddy and headache always..wah..i so shock..first time hear this...haiz..