Not encouraging this, but if you ever are really scared and need to call 911, they only charge you if they take you to the hospital. So for example if you are having chest pains, they arrive, they tell you that you are okay, then just refuse to be taken in. A really nice EMT let me know this last time I had to call and told me I was ok and if I wanted to be admitted I was better off calling a friend. They told me never to feel bad about false alarms. Better safe than sorry. Anyway, hope you're feeling better, chest pain is scary!