59-year-old man suddenly chest pain is what happened

59-year-old people suddenly appear chest tightness, chest pain, generally considered to be the elderly suffering from heart or lung disease caused by, including myocarditis, myocardial infarction, pulmonary embolism, pneumothorax, etc. There may also be suffering from gastroesophageal reflux disease, pleurisy, intercostal cartilage or chest muscle damage caused by.