张大爷每天都到公园晨练,由于有冠心病,他因此很少做剧烈运动,只打打太极拳、散散步。最近他听说练深呼吸可以增加氧气吸入量,于是也练了起来。没想到,做了几次就觉得头晕眼花,心慌气喘,有一回甚至差点摔倒。后来孙大爷到医院咨询了医生,才知道深呼吸其实不适合冠心病患者。心脑血管病患者坚持有意识地练习胸式和腹式深呼吸运动,可以增加氧气吸入,改善肠胃功能,但 Uncle Zhang went to the park morning exercise every day, due to coronary heart disease, so he rarely do strenuous exercise, only playing Tai Chi, take a walk. He recently learned that deep breathing exercises can increase oxygen inhalation, so practice it. Unexpectedly, do a few times to feel dizzy, flustered, even one day almost fell. Later, Uncle Sun to the hospital consulted a doctor, did not know deep breathing is actually not suitable for patients with coronary heart disease. Cardiac and cerebrovascular patients insist on conscious practice chest and abdominal deep breathing exercise, can increase oxygen inhalation, improve gastrointestinal function, but