[awr-thop-nee-uh, awr-thop-nee-uh, -thuh p-]
difficult or painful breathing except in an erect sitting or standing position.
- orthophosphoric acid,
- orthophosphorous acid,
- orthophthalic acid,
Origin of orthopnea
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for orthopnoea
On the following night eight convulsions occurred, attended by orthopnoea, and mucous rles in the chest from pulmonary oedema.
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.