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Meaning of orthopnea

or•thop•ne•a

Pronunciation: (ôr-thop'nē-u, ôr"thop-nē'u, -thup-), [key]
— n. Path.
  1. difficult or painful breathing except in an erect sitting or standing position.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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