The irregular position of chest tightness may be caused by emotion, or it may be caused by cardiac neurosis, lung infection and other diseases.
1. Emotional influence: when the emotion is too tense, anxiety, may make the sympathetic nerve excitement, thus appear chest tightness performance, and chest tightness position is usually not fixed.
2. Cardiac neurosis: cardiac autonomic nervous system dysfunction, chest tightness, chest pain and other symptoms related to the disorders of the nervous system in the chest, and the location of these symptoms can be concentrated in the chest, but most of them are not fixed.
3. Lung infection: Lung infection will affect the ventilation of the lungs, thus causing symptoms such as chest tightness and shortness of breath. When the lung infection is serious, it can invade the left pleura, right pleura and other parts of the chest, triggering an inflammatory reaction, so the location of chest tightness may not be fixed.
In addition to the above reasons, the position of chest tightness is not fixed can not be ruled out coronary heart disease, other lung or chest wall disease, if the above symptoms, should consult a doctor in time, so as not to delay the condition.