我爷爷年逾古稀,前不久不慎着凉感冒,“老慢支”复发,咳嗽不止。一天,他在一阵剧烈咳嗽后突然昏倒在地,在送往医院途中清醒。医生检查并做了CT,发现除原有的慢性支气管炎和肺气肿外,并无异常,被诊断为“咳嗽晕厥综合征”。请问咳嗽为何咳得昏倒在地呢?黑龙江庄强 My grandfather over senescence, cold flu accidentally cold shortly before, “old chronic bronchitis” recurrence, coughing more than. One day, he suddenly collapsed after a severe cough and sober on his way to the hospital. The doctor examined and made CT and found no abnormalities other than the original chronic bronchitis and emphysema and was diagnosed as “cough syncope syndrome.” Cough cough why cough fainted? Heilongjiang Zhuang Qiang