An increase in the depth and/or rate of respiration, regardless of the cause.

Slightly different from hyperventilation, which is an increase in ventilation disproportionate to the serum level of carbon dioxide (serum CO2 or PaCO2<35mmHg).

Hy`per*pne"a (?), n. [NL., fr. Gr. over + , , breath.] Physiol.

Abnormal breathing, due to slightly deficient arterialization of the blood; -- in distinction from eupnea. See Eupnea, and Dispnea.


© Webster 1913.

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