例1,患者,男,56岁,因刺激性干咳,喘憋40ｄ,加重伴呼吸困难4ｄ,在当地医院按支气管哮喘治疗,效果不佳转入我院。有吸烟史30年,查体Ｔ38℃,神志清晰,烦躁不安,端坐位,三凹症阳性,面部及口唇中度紫绀,颈静脉怒张,双肺布满哮鸣音及痰鸣音,心率120次/ｍｉｎ,血沉70ｍｍ/ｈ,胸部Ｘ片 Example 1, the patient, male, 56 years old, due to irritating dry cough, wheezing 40d, aggravated with dyspnea 4d, according to bronchial asthma treatment in the local hospital, poor results into our hospital. A smoking history of 30 years, physical examination T38 ℃, clear consciousness, irritability, sitting, positive three concave, face and lips moderate cyanosis, jugular vein distention, lungs full of wheezing and phlegm, heart rate 120 times / min, ESR 70mm / h, chest X film