# platypnea

> English word · Noun

## Definitions
1. Shortness of breath that occurs when the patient is upright, that is, sufficient breathing only when lying flat.

## Etymology
From platy- + -pnea, from Ancient Greek πλατύς (platús, “flat”) and πνοή (pnoḗ, “breath, breathing”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/platypnea