Heart fibrillation and panic can be caused by a variety of reasons, including physiological factors, pathological factors, etc. The specific analysis is as follows. 1. Physiological factors: such as excessive fatigue, emotional anxiety, tension, strenuous exercise, staying up late, cold weather, pain, panic, over-excitement and so on can be triggered by panic and fibrillation, which is a normal physiological phenomenon. This is a normal physiological phenomenon. Regular work and rest, maintain a relaxed mood, can improve the symptoms. 2. Pathological factors: may be due to some underlying diseases, such as hyperthyroidism, anemia, cardiovascular disease, malnutrition, arrhythmia, and neurosis patients, etc., in this case you need to consult a doctor to find out the cause of the disease, and targeted treatment. In short, if you always have a heart tremor and panic, you should seek medical attention in time, improve the electrocardiogram examination, and actively identify the cause of the disease, so as to avoid delaying the condition, and at the same time, maintain a healthy diet and daily life.