Panic can be seen in nervousness, tachyarrhythmia, hyperthyroidism and so on. The sympathetic nerves in the body will be abnormally excited when the spirit is overstressed, and the nerve endings will release a large amount of adrenaline, which is manifested as a rapid heartbeat and increased blood pressure, and the patient may have palpitations (rapid heartbeat, often accompanied by panic). Palpitations and panic can be seen in tachyarrhythmias, such as paroxysmal supraventricular tachycardia, paroxysmal ventricular tachycardia, etc., the disease can be a sudden onset, and the patient may experience palpitations and panic. Patients with hyperthyroidism, the level of thyroid hormone in the body will be significantly less, the heart rate will be significantly faster, and even paroxysmal atrial fibrillation, which can be manifested as palpitations and panic. Palpitations, panic, can also be seen in a variety of diseases, such as heart failure, coronary heart disease, chronic obstructive, sexual lung disease, anemia, bronchial asthma, etc., the heart is anxious to panic is just a manifestation of the symptoms are obvious to go to the hospital in a timely manner, to clarify the specific diagnosis and etiology.