hyperventilation

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hyperventilation

an increase in the depth, duration, and rate of breathing, sometimes resulting in cramp and dizziness

hyperventilation

[¦hī·pər‚vent·əl′ā·shən]
(medicine)
Increase in air intake or of the rate or depth of respiration.

hyperventilation

A breathing problem caused by too little carbon dioxide in the lungs. The term hyperventilation means overbreathing, where breathing is in excess of normal requirements of the body. This results in reducing the carbon dioxide (CO2) level of the body that provides the necessary stimulus for breathing. It is associated with anxiety and tension during flying. It can cause dizziness and may even lead to unconsciousness.
References in periodicals archive ?
The item scores are added up to give a total score out of 64 as an indication for the presence of hyperventilation syndrome.
Chronic over breathing or hyperventilation syndrome is remarkably common and differs from acute hyperventilation, which is easy to spot.
In the Nijmegen questionnaire the defining score was 2_24/64, as this has been established as indicating hyperventilation syndrome (van Dixhoorn & Duivenvoorden, 1985).
His writings to this day bear remarkable similarities to the writings of contemporary authors on hyperventilation syndrome and postural weakness caused by modern lifestyles.