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    A 51-year-old male patient with chest pain and dyspnea(the 40th case)

    Instituteof Geriatirc Cardiology，Chinese PL A General Hospital，Beijing100853，China

    Case presentation

    A 51-year-old man was admitted to hospital on Dec.23，2008 because of a 5-day history of chest and back pain，and dyspnea.On Dec.18，2008，the patient suffered from pain in right legs accompanied with movement disturbance when he defecated.Two hours later，the right leg pain and paralysis relieved，but chest and back pain appeared，and was exacerbated by deep inhalation，which was also accompanied with sweating and shortness of breath，but with no radiation pain，palpitations，nausea，or vomiting.Four days later，chest and back pain was relieved，but dyspnea still existed.The patient was then admitted to the Emergency Department of Affiliated Hospital，Chengde Medical College.The brain CT imaging was normal.The routine blood tests showed that white cell count was 23.23×109/L，and neutrophils 86.5%.The myocardial enzymes spectrum was normal.The ultrasonography of kidneys，bladder and ureters was also normal.The diagnosis of upper respiratory tract infection was given ......