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Definition of Platypnea
1. Noun. (medicine) Shortness of breath that occurs when the patient is upright. The word is derived from the Greek platus (= flat) and pnoia (=breath). ¹
¹ Source: wiktionary.com
Medical Definition of Platypnea
1. Difficulty in breathing when erect, relieved by recumbency. Compare: orthopnea. Origin: platy-+ G. Pnoe, a breathing (05 Mar 2000)