It is helpful to examine them using a doctor if you are vulnerable to panic disorder. Otherwise you're liable to feel at risk of scary feelings of death or impending disaster anytime. Make an effort to talk to a mental doctor about your problems to see what types of remedies you find effective. A doctor might recommend some suitable panic management strategy like the Linden Method to help you overcome any attacks.
Within an anxiety attack, there are a few things you should avoid doing simply because they can exacerbate the symptoms. Calling a buddy is an excellent idea but do not discuss the panic attack, as this may simply place your focus on your anxiety.