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or orthopnoea

[awr-thop-nee-uh, awr-thop-nee-uh, -thuh p-] /ɔrˈθɒp ni ə, ˌɔr θɒpˈni ə, -θəp-/
noun, Pathology.
difficult or painful breathing except in an erect sitting or standing position.
Origin of orthopnea
1650-60; < Greek orthópnoia, equivalent to orthópno(os) breathing upright (ortho- ortho- + pno(ḗ) breath + -os adj. suffix) + -ia -ia
Related forms
orthopneic, orthopnoeic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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orthopnoeic in Medicine

orthopnea or·thop·ne·a (ôr'thŏp-nē'ə, ôr-thŏp'nē-ə)
Discomfort in breathing that is relieved by sitting or standing in an erect position.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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