Meaning of ORTHOPNEA

Pronunciation:			or'thâpneeu
WordNet Dictionary
	Definition:		[n]  form of dyspnea in which the person can breathe comfortably only when standing or sitting erect; associated with asthma and emphysema and angina pectoris
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	See Also:		dyspnea, dyspnoea
Medical Dictionary
	Definition:		Difficulty breathing except in an upright position.
Biology Dictionary
	Definition:		Orthopnea is an awareness by the individual of increased difficulty in breathing when s/he is lying down.