Dyspnea due exclusively to inadequate cardiac output is not affected by posture but varies with physical exertion and may be associated with weakness and fatigue.
Dyspnea due exclusively to inadequate cardiac output is not affected by posture but varies with physical exertion and may be associated with weakness and fatigue.
完全由心排血量不足引起的呼吸困难不受体位影响，但随体力活动而变，可伴有虚弱和乏力。