Term
| Total lung capacity (TLC) |
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Definition
| Volume of air in the lungs after a maximal (forced) inhale |
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Term
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Definition
| Max volume of air that can be exhaled after a maximal (forced) inhalation |
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Term
| Inspiratory capacity (IC) |
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Definition
| Max volume of air that can be inhaled after a normal (unforced) inhalation |
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Term
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Definition
| Max vol of air that can be exhaled after a normal (unforced) inhalation |
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Term
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Definition
| volume of air inspired or expired during each normal (unforced) ventilation cycle |
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Term
| Inspiratory Reserve Volume (IRV) |
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Definition
| Max vol of air that can be forcefully inahled after a normal inhalation |
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Term
| Expiratory Reserve Vol (ERV) |
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Definition
| Max vol of air that can be forcefully exhaled after a normal exhalation |
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Term
| Functional Residual Capacity (FRC) |
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Definition
| Vol of air remaining in the lungs after a normal (unforced) exhalation |
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Term
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Definition
| Vol of air remaining in the lungs after a maximal (forced) exhalation |
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Term
| Eupnea aka eupneic breathing |
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Definition
| Normal unforced ventilation, where the thoracic volume is regulated by the action of the diaphragm and the intercostal muscles |
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Term
| Obstructive or restrictive pulmonary diseases |
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Definition
| When air passages are obstructed (ie by mucus) or lungs lose their normal elasticity |
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Term
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Definition
| Condition of labored breathing. Person recruits additional muscles to aid ventilation - scalene muscles, sternomastoids and pectoralis major. These muscle groups also used in hyperventilation (ie during excersise) |
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