text: I experienced it.\nMy heart is also pounding during the stressful times. The stress test results negative.  Thank God for that.\n\nMy doctor also thought it's panic attack.\nIf you drink coffee, you should cut down a little bit. This is the advice from my doctor and now I'm drinking decaf. It also help walking away from whatever you're doing from time to time to get some fresh air. Last, learn how to relax such as meditation.