Stomach discomfort a burst of panic may be physiological factors, peptic ulcer, arrhythmia and so on. 1. Physiological factors: strenuous exercise, hunger or insomnia can cause stomach discomfort and panic attacks. 2. Peptic ulcer: gastric ulcer and duodenal ulcer can cause stomach discomfort such as distension and dull pain, and more severe pain or bleeding from peptic ulcer can cause panic, nausea, vomiting and other symptoms. 3. cardiac arrhythmia: such as ventricular tachycardia, atrial fibrillation and other arrhythmic episodes caused by myocardial ischemia can cause epigastric discomfort, palpitations and other symptoms due to the epigastric pain caused by arrhythmia can be mistaken for gastric discomfort. Therefore, there are many reasons for stomach discomfort and panic attacks, patients should go to the hospital in time to improve the examination and give targeted treatment after the cause is clear.