The maximum volume of air contained in the lung by a full forced inhal...
Total volume of air that can be accommodated in the lungs at the end of forced inspiration is called Total Lung Capacity ...
TLC = IRV + TV + ERV + RV
= 3000+500+ 1000+1200
= 6000ml ( approx )
5700 to 6000ml
The maximum volume of air contained in the lung by a full forced inhal...
Total Lung Capacity
The maximum volume of air that can be contained in the lung by a full forced inhalation is called Total Lung Capacity (TLC). It is the sum of all the volumes that the lungs can hold, which includes:
1. Inspiratory Reserve Volume (IRV): This is the amount of air that can be forcefully inhaled after a normal tidal volume inhalation.
2. Tidal Volume (TV): This is the amount of air that moves in and out of the lungs during normal breathing.
3. Expiratory Reserve Volume (ERV): This is the amount of air that can be forcefully exhaled after a normal tidal volume exhalation.
4. Residual Volume (RV): This is the amount of air that always remains in the lungs, even after a forced exhalation.
TLC = IRV + TV + ERV + RV
Importance of Total Lung Capacity
TLC is an important measure of lung health and function. It can help diagnose lung diseases like emphysema and chronic obstructive pulmonary disease (COPD). A low TLC may indicate that the lungs are not functioning properly, while a high TLC may indicate that the lungs are over-expanded.
Conclusion
Total Lung Capacity is the maximum volume of air that can be contained in the lungs by a full forced inhalation. It is the sum of all the volumes that the lungs can hold, including tidal volume, inspiratory reserve volume, expiratory reserve volume, and residual volume. TLC is an important measure of lung health and function and can help diagnose lung diseases.