一位年过七旬的老翁,患高血压、冠心病已有20余年。近年来,间常于夜间熟睡时感到胸闷、气急而突然惊醒,被迫立即坐起,并伴有下肢水肿,动辄气喘,极度疲倦。儿子把他从乡下接到城里,谁知第二天凌晨3点,老翁突然咳嗽,呼吸困难,大汗淋漓,鼻孔里不断往外涌出粉红色泡沫痰液。儿子急 A man over 70 years old, suffering from high blood pressure, coronary heart disease has been more than 20 years. In recent years, often between the nighttime sleepy feel chest tightness, shortness of breath and suddenly awakened, forced to sit immediately, and accompanied by lower extremity edema, frequent asthma, extreme fatigue. Son took him from the countryside to the city, who knows the next day at 3 am, the old man suddenly cough, difficulty breathing, sweating, constantly pouring out of his nose, pink foam sputum. Son urgent