What is this vague pain in the upper left chest and the left back?

Hidden pain above the left chest Hidden pain in the left back may be caused by coronary heart disease, angina pectoris, pleurisy and other factors.
1. Coronary heart disease: coronary heart disease in the activities, more emotional situation will lead to pain in the precordial area, mostly due to the sternum, precordial area began, at the same time will involve the left shoulder, back, arms and other places.
2. Angina: angina pectoris is mainly manifested as a squeezing sensation behind the sternum, chest tightness will be accompanied by anxiety, usually in the left side of the buttocks, shoulders, jaw, the posterior region of the sternum and other places where the pain occurs. Atypical people may also show hidden pain.
3. Pleurisy: It is mainly an inflammation that occurs in the pleural cavity, which is located in the chest, and when inflammation occurs, pain will occur.
It is recommended to go to the hospital for examination, the doctor will give the corresponding judgment according to the clinical symptoms, identify the cause of the disease and timely symptomatic treatment.