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Cardiopulmonary > Lung Volumes > Flashcards

Lung Volumes Flashcards

1
Q

Tidal Volume (TV)

A

The amount of air that is inhaled and exhaled during normal resting breathing.

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2
Q

Residual Volume (RV)

A

The volume of air remaining in the lungs following a full or maximal expiration.

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3
Q

Expiratory Reserve Volume (ERV)

A

The volume of air that can be forcefully expelled following a normal expiration.

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4
Q

Inspiratory Reserve Volume (IRV)

A

The volume of air that can be forcefully breathed in following a normal inspiration.

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5
Q

Forced Vital Capacity (FVC)

A

The amount of air that is under volitional control.

FVC=IRV+ERV+TV

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6
Q

Forced Expiratory Volume (FEV1)

A

The volume of air that can be forcefully expelled in 1 second following a full inspiration. Normally, at least 75% of FVC is inhaled within the first second.

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7
Q

Total Lung Capacity

A

Sum of the Residual Volume (RV) and the Forced Vital Capacity (FVC)

Total Lung Capacity=TV+IRV+ERV+RV

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8
Q

Functional Residual Capacity

A

The volume of air remaining in the lungs following a normal expiration.

Functional Residual Capacity=ERV+RV

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Cardiopulmonary (2 decks)

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