Meaning of HYPERVENTILATION

Pronunciation:			`hIpur`ven'tleyshun
WordNet Dictionary
	Definition:		[n]  an increased depth and rate of breathing greater than demanded by the body needs; can cause dizziness and tingling of the fingers and toes and chest pain if continued
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	See Also:		breathing, external respiration, respiration, ventilation
Medical Dictionary
	Definition:		Rapid or deep breathing in excess of that needed to supply oxygen to the body.
Biology Dictionary
	Definition:		Hyperventilation is the condition of breathing excessively and often with effort; a clinical sign. The normal rate of respiratory rate can be up to 35 per minute for the an adult and 50 per minute for a newborn. However, biochemically, hyperventilation means ventilation to keep the partial pressure of oxygen in the arterial blood lower than its normal value of 40 mmHg