Medical Dictionary

orthopnea

noun or·thop·nea
variants: or chiefly British

orthopnoea

\ȯr-ˈthäp-nē-ə also ˌȯr-ˌthäp-ˈnē-ə\play play

Medical Definition of orthopnea

  1. :  difficulty in breathing that occurs when lying down and is relieved upon changing to an upright position (as in congestive heart failure)

orthopneic

or chiefly British

orthopnoeic

\-ik\play adjective

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