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What are the 9 components of PFT?
The 9 components of a Pulmonary Function Test (PFT) typically include: forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1), FEV1/FVC ratio, peak expiratory flow (PEF), forced expiratory flow (FEF), total lung capacity (TLC), residual volume (RV), functional residual capacity (FRC), and diffusing capacity of the lungs for carbon monoxide (DLCO).
What is the functional residual capacity FRC composed of?
Functional Residual Capacity (FRC) = Expiratory Reserve Volume (ERV) + Residual Volume (RV)
Calculate the IRV of a person with an active capacity of 4360ml an expiratory reserve volume of 1300ml and a tidal volume of 500ml?
The Inspiratory reserve volume (IRV) is calculated by subtracting the tidal volume and expiratory reserve volume from the total lung capacity. In this case, the total lung capacity is the sum of the active capacity and the expiratory reserve volume, which equals 5660ml. Therefore, the IRV would be 5660ml - 500ml - 1300ml = 3860ml.
How do you do capacity?
It's the inspiratory reserve volume plus the tidal volume plus the expiratory reserve volume
What are the volumes that makes up vital capacity?
Expiratory reserve volume, tidal volume, inspiratory reserve volume, you amateurs
How is vital capacity determined?
Vital capacity is the amount of air you can breathe out after a maximum inhale. When it comes to determining vital capacity it’s basically calculated by the inspiratory reserve volume in addition to the expiratory reserve volume.
What are the three volumes that make up vital capacity?
Expiratory reserve volume, tidal volume, inspiratory reserve volume, you amateurs
What does TV ERV and VC mean?
TV means tidal volume, ERV means expiratory reserve volume, and VC means vital capacity.
calculate the IRV of an individual with a vital capacity of 4400 ml an expiratory reserve volumne of 1300 ml and a tidal volume of 500ml?
2600 ml
Why does the forced expiratory volume percentage decrease as the radius of the airways is decreased?
Reducing the radius of the airways will affect the capacity of the lungs to exhale the maximum amount of air
What is The volume of air that can be exhaled after a maximum inhalation?
Vital Capacity (VC) is the maximum amount of air that can be exhaled after a maximum inhalation. But it differs from one person to another. For a normal sized male that would be 4600 ml.
What is the normal expiratory pressure?
80
