The possibility of cardiovascular neurosis is considered to be high when you are nervous. Nervousness causes sympathetic hyperfunction or imbalance, and the heart rate increases. Cardiovascular neurosis is a clinical syndrome that mainly manifests itself with symptoms related to cardiovascular diseases, the etiology of which is still unclear, and may be related to neuropsychiatry, environmental factors, and personality, leading to the onset of the disease when the spirit is stimulated or tense and stressed, which can lead to sympathetic excitation and an imbalance in sympathetic and parasympathetic nerve function. It can be manifested as chest tightness, dyspnea, and often feels that there is not enough air or lack of oxygen. Generally, there is no organic cardiac lesion, and it is mainly a psychosomatic problem. In addition, there may be organic cardiovascular disease combined with psychosomatic problems, need to improve cardiac ultrasound, electrocardiogram, laboratory tests cardiac enzymes and other cardiac related examinations, if necessary, improve coronary artery angiography, to determine whether there is organic cardiac lesions, can be a clear diagnosis. If you have chest tightness when you are nervous, it is recommended that you consult a doctor and take targeted treatment measures under the guidance of the doctor.