呼吸困难乃各科医师经常遇到的症状,它是一种自觉症状。由于呼吸困难可表现出各式各样的呼吸形式。客观检查有呼吸次数增多,幅度深或浅,以致平时不用的辅助呼吸肌也参加了呼吸运动,此时常见鼻翼扇动。如以肺活量、换气量等降低为指标,在此一 Dyspnea, a symptom often encountered by physicians, is a symptom of the symptoms. Due to dyspnea can show a wide range of respiratory forms. Objective examination of the increase in the number of breaths, the rate of deep or shallow, so usually do not use the auxiliary respiratory muscle also participated in respiratory exercise, this time common nose flap. Such as the lung capacity, ventilation volume reduction as an indicator, in this one