Hi i know this may sound odd but i m 15 and experience what i thought was a heart attack . I only experienced it yesterday and haven t got it seen to. I m tall, a bit too skinny and unhealthy. I don t eat fruit or vegies just bad foods. I experienced a very tight chest pain , felt pressure on my chest, shortness of breath, dizziness, feeling as if i was going to vomit , I had stomach pain and i m constantly tired. Can you please give me some advice on what it could of been?