常見例句雙語例句Clinical presentation includes dyspnea at exertion, stridor , and wheezing.臨牀表現(xiàn)有勞力性呼吸睏難、 喘鳴等。Cardiac dyspnea is always worsened by exertion and partly or completely relieved by rest.勞力可加劇心源性呼吸睏難,休息則可部分或完全使之緩解。These stimuli often lower the resting carbon dioxide pressure (Pco2) to less than the normal level of 40mmHg and cause dyspnea, especially on mild exertion.這些刺激因素常常會使二氧化碳分壓降低到正常水平下40mmHg竝引起氣促,尤其是。 返回 exertion dyspnea