If patients have inexplicable nervousness and panic in their hearts, they usually belong to the following reasons: 1. Commonly found in endocrine metabolic diseases, such as hyperthyroidism and hyperadrenocorticism when there is inexplicable nervousness, palpitations, anxiety and other clinical manifestations. 2. Patients who do not have organic heart disease should consider neurological dysfunction triggering internal environmental disorders, such as plant nerve dysfunction resulting in The patient’s heart will also have inexplicable nervousness and panic. 3, common in organic heart disease, such as coronary heart disease, unstable angina. 4, for special myocardial system diseases, such as myocarditis, pericarditis, hypertrophic obstructive heart disease, heart valve disease, will also lead to inexplicable nervousness and panic. 5, for patients with hypertension, when there are significant fluctuations in blood pressure There will also be the above symptoms.