Definition of ORTHOPNEA

: difficulty in breathing that occurs when lying down and is relieved upon changing to an upright position (as in congestive heart failure)
or·thop·ne·ic or chiefly British or·thop·noe·ic \-ik\ adjective

Variants of ORTHOPNEA

or·thop·nea or chiefly British or·thop·noea \r-ˈthäp-nē-ə also ˌr-ˌthäp-ˈnē-ə\

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