1.As the severity of the obstruction to expiratory flow increases, patients become increasingly dyspneic.
随着呼气性阻塞越来越严重，病人的呼吸困难也逐渐加重。
2.They were suffered from fever, emaciation , gastrointestinal symptoms, cough, chest distress, dyspneic respiration and so on.
临床表现为发热，消瘦，胃肠道症状，咳嗽、胸闷、呼吸困难等，病变累及多个系统。