eupnea

In the human respiratory system, eupnea (Greek eupnoia; from eu, well + pnoia, breath) is normal, good, unlaboured ventilation, sometimes known as quiet breathing or resting respiration. In eupnea, expiration employs only the elastic recoil of the lungs.

See also

• Apnea, absence of respiration
• Bradypnea, slow respiration
• Dyspnea, difficult respiration
• Tachypnea, fast respiration

During Eupnea, neural output to respiratory muscles is highly regular, with rhythmic bursts of activity during inspiration only to the diaphragm and external intercostal muscles

References

Lippincott Williams & Wilkins (2006). Stedman's Medical Dictionary, 28th Edition. Baltimore, Maryland: Julie K. Stegman. pp. 677. ISBN 0-7817-3390-1. 

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