Breathing Changes in Exercise and Anxiety

Breathing changes in exercise and anxiety can look similar, but they do not have the same cause. Hyperventilation is a higher-than-normal rate and depth of breathing. It often happens during anxiety attacks and can push out more carbon dioxide than the body needs to remove.

When too much carbon d...

过度通气是一种呼吸频率和深度超过机体清除CO₂所需水平的状况，常在焦虑发作期间发生。

过低的 CO₂ 血液中的水平升高会导致脑血管收缩，减少脑部灌注，从而可能引起头晕或晕厥。

过度通气还可能引起手部和面部的刺痛感及肌肉痉挛。

向纸袋中呼气可以减缓呼吸。纸袋内的呼出气体富含CO₂，有助于恢复血液中的CO₂水平，并降低呼吸频率。

过度通气是机体为满足代谢需求而出现的通气量增加，常发生于体力活动导致活动肌肉耗氧量增加时。

运动时，延髓呼吸中枢的调节可确保动脉中的CO₂和O₂水平及其相应的分压保...