I need health advice (Fast!) I have chest pain and a racing heart?

I am a white, teenage female. My mother smokes very much and I am exposed to second hand smoke several times a day. Our air conditioner doens't work too well, so the heat may have had something to do with this. I was bitten by a tic about a month ago. I have a VERY difficult time sleeping and at least one night a week do not sleep at all. I have a big amount of stress in my life.

Yesterday, immediatly after taking the first bite of my lunch, my chest began to hurt. I decided to lay down. Then, my back, stomach, and chest began to hurt tremendously. I decided to try to sleep it off, but whenever I tried to slep- I'd wake up at least every thirty minutes with the same pain. Last year, around this time, I caught mono, my heart murmur came back, and was told that I have hypo tension.

My chest hurts pretty bad and it will not allow me to concentrate in school. My heart is beating too quickly. Shoud I go to the emergency room?

My temperature is 99.5 F

Sounds like a panic attack to me too. If you don't know what to do going to the doctor is always a good idea though -- better safe than sorry. Even if you don't go to the emergency room though, I would see a doctor in the next day or so, just to be checked out and to see if something can't be done about the anxiety.

Yes go to the E.R!! This could be a big deal especially cuz of the heart murmur

Sounds like you're having a panic attack.

everything is not that simple we think.you have to go to Dr every time you have a problem it doesn't matter what is the problem big or not!!its not your business to find it out!!(I'm jus explaining like a friend)
i think its a panic attack so go to dr as soon as possible
goodluck my friend

i have a fast heart beat, which may what u have. u should try to sit on the toilet and try to pretend your going # 2. sorry for the bad picture cauz it will stop my heart beating fast. and um. i waz also bit by a tick, but didnt have that pain. um, feel better, and go in the coolest room in your house and drink water, and call ur doctor.