orthopnoea

== English == === Alternative forms === orthopnea, orthopnœa === Etymology === From ortho- +‎ -pnoea, from Ancient Greek ὀρθόπνοια (orthópnoia, “breathing only in an upright posture”), from ὀρθός (orthós, “straight”) + πνοή (pnoḗ, “breath”). === Pronunciation === IPA(key): /ɔrˈθɒpniə/, /ɔrˈθɑpniə/, /ɔrθəpˈniːə/ === Noun === orthopnoea (usually uncountable, plural orthopnoeas or orthopnoeae) Shortness of breath when lying flat, causing the person to have to sleep propped up in bed or sitting in a chair. ==== Derived terms ==== orthopnoeic ==== See also ==== dyspnoea