Ventilation (physiology)
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
In respiratory physiology, ventilation (or ventilation rate) is the rate at which gas enters or leaves the lung. It is categorised under the following definitions:
| Measurement | Equation | Description |
| Minute ventilation | = tidal volume * respiratory rate[1][2] | the total volume of gas entering the lungs per minute. |
| Alveolar ventilation | = (tidal volume - dead space) * respiratory rate [1] | the volume of gas per unit time that reaches the alveoli, the respiratory portions of the lungs where gas exchange occurs. |
| Dead space ventilation | = dead space * respiratory rate[3] | is the volume of gas per unit time that does not reach these respiratory portions, but instead remains in the airways (trachea, bronchi, etc.). |
See also
References
- ↑ 1.0 1.1 http://www.healthsystem.virginia.edu/Internet/Anesthesiology-Elective/airway/ventilation.cfm
- ↑ http://www.nda.ox.ac.uk/wfsa/html/u12/u1211_02.htm
- ↑ Physiology at MCG 4/4ch3/s4ch3_16
External links
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