If the patient currently has an inexplicable sense of panic, it may be caused by arrhythmia, menopause, coronary stenosis, etc., as follows: 1. arrhythmia: the patient currently has an inexplicable sense of panic, to consider whether there is an arrhythmia, you can do a 24-hour ambulatory ECG, which helps to better clarify the diagnosis. 2. menopause causes: the patient may be due to menopause, also feel panic from time to time. In fact, there is no problem at all, the heart rate at that time is very normal, there is no arrhythmia problem, mainly for this kind of people to improve the neurasthenia treatment. 3, coronary vascular stenosis: some people inexplicably panic, do not exclude may be due to the existence of coronary vascular stenosis, it is recommended to do coronary CT examination if necessary. 4, other reasons: some patients may be due to the existence of thyroid gland These people may also experience panic attacks inexplicably. If necessary, in order to better clarify the diagnosis, it is recommended that patients can have blood tests for routine blood, serum ions, as well as blood tests for the five items of thyroid function, which can help to better find the cause of panic.