orthopnea
端坐呼吸
or·thop·nea /ɔrˈθɑpnɪə , ˌɔrˌθɑpˈnɪə/ 名詞
端坐呼吸
orthopnea
n : form of dyspnea in which the person can breathe comfortably
only when standing or sitting erect; associated with
asthma and emphysema and angina pectoris