结果20例中胸闷气短19例，咳嗽15例，咯黄白痰12例，咯血痰1例，大咯血6例，劳力性呼吸困难5例，夜间阵发性呼吸困难7例。
Results Of 20 patients , 19 were with a short breath , 15 with cough , 12 with coughing phlegm and 6 with hemoptysis .
夜间阵发性呼吸困难夜间阵发性呼吸困难夜间阵发性呼吸困难