患者,女,47岁,农民。因发作性胸闷、气促、咯粉红色泡沫样痰1年余,再发2 h入院。2007年4月3日患者曾因突发胸闷、咳嗽、咯粉红色泡沫样痰1 d至当地医院就诊,口唇紫绀,双肺湿性啰音,心率106次/min,血压137/87 mm Hg(1 mm Hg=0.133 kPa),SaO_2 66%,X线胸片示两肺散在斑片状影,拟诊重 Patient, female, 47 years old, farmer. Due to the onset of chest tightness, shortness of breath, slightly pink foam-like sputum more than 1 year, re-issued 2 h admission. On April 3, 2007, the patient was diagnosed with chest tightness, cough and pinkish foamy sputum for 1 day to visit a local hospital. His lips were cyanotic, with wet rales of both lungs, heart rate 106 beats / min, blood pressure 137/87 mm Hg 1 mm Hg = 0.133 kPa), SaO_2 66%, X-ray showed scattered lung patch in the lungs, the proposed weight