Acid reflux isn't a panic attack, but due to the pain and anxiety involved, can cause a panic attack. To get rid of one, find a calm place, dimly lit, and imagine a candle in front of you, now take a deep breath through your nose and out your mouth. blow like you are blowing through a straw, but slow so you don't blow out the candle. You can also try taking a shower, and turning the water from a normal temperature to as cold as it gets very quickly. This worked for a friend of mine.