一、症状在慢性支气管炎的咳嗽、咳痰等症状的基础上出现了逐渐加重的呼吸困难。常在冬季发作,天暖缓解。早期多在劳动时感气急,随着病情的进展,稍一活动甚至休息时也感气急。慢性支气管炎急性发作时,支气管分泌物增多,通气功能障碍加重,感胸闷,气短加重。重者可出现紫绀,头痛、嗜睡、神志恍惚等。 First, the symptoms of chronic bronchitis, cough, sputum and other symptoms on the basis of a gradual increase in dyspnea. Often in winter seizures, warm days ease. More early in the labor sense of urgency, with the progress of the disease, a little activity or even a sense of urgency when resting. When an acute attack of chronic bronchitis, bronchial secretions increased, increased ventilatory dysfunction, feeling chest tightness, shortness of breath worse. Severe cyanosis can occur, headache, drowsiness, trance and so on.