憋气时间长是否一定能证明肺功能？新冠感染会影响呼吸吗？

2024-03-19 生活常识关注公众号

新冠病毒感染人体，可能导致肺泡摄取空气中氧的能力下降，从而导致憋气时间缩短。若患者新冠感染并发纤维化，憋气时间可能无法延长。

上面这两个问题的前半部分之前就已经被辟谣了，肺功能的好话关键在于是否能够顺畅的吸入和排除外界的空气，有人肺功能不好，呼吸不畅，但只要给他足够的时间呼吸，也能吸足空气并憋住很长时间，另外憋多久除了和呼吸功能有关以外，还和人体代谢率有关，代谢率越高，耗氧越快，憋的时间越短，但并不代表肺功能就变差了，当然了，如果自己和自己比，憋气的时间明显缩短了，那就要好好查查了。

新冠病毒感染人体，如果没有引起新冠肺炎的话，大部分是不影响憋气时间的，因为新冠病毒如果只局限于上呼吸道，不进入肺组织的话，基本上不会导致呼吸通畅度和肺泡摄取空气中氧的功能，所以基本上不会导致憋气时间缩短，当然某些患者新冠感染后留下心跳加快的后遗症，这种情况会加快人体代谢增加耗氧量，可能会憋气时间缩短。

如果新冠病毒导致新冠肺炎，并留下了明显的纤维化，则有可能导致憋气时间缩短，即使痊愈了，憋气时间也不一定能延长，这主要和纤维化会收缩，导致肺体积缩小有关。

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