Pulmonary Terms/Values Flashcards

1
Q

Tidal Volume

A

Volume of gas inhaled (or exhaled) during a normal resting breath.

500 mL

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2
Q

Inspiratory Reserve Volume (IRV)

A

Volume of gas that can be inhaled beyond a normal resting tidal inhalation.

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3
Q

Expiratory Reserve Volume (ERV)

A

Volume of gas that can be exhaled beyond a normal resting tidal exhalation.

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4
Q

Residual Volume (RV)

A

Volume of gas that remains in the lungs after ERV has been exhaled.

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5
Q

Inspiratory Capacity

A

(IRV + TV)

The amount of air that can be inhaled from Resting End Expiratory Pressure (REEP).

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6
Q

Vital Capacity

A

(IRV + ERV + TV)

The amount of air that is under volitional control; Conventionally measured as Forced Expiratory Vital Capacity (FVC).

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7
Q

Functional Residual Capacity

A

(ERV + RV)

Amount of air that resides in the lungs after a normal resting tidal exhalation.

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8
Q

Total Lung Capacity

A

(IRV + ERV + TV + RV)

Total amount of air that is contained within the thorax during max inspiratory effort.

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9
Q

Bicarbonate (HCO3)

for metabolic acid/alkalosis

A

Normal value:

22 - 26 mEq/L

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9
Q

Forced Expiratory Volume in 1 second (FEV1)

A

FEV1/FVC1 X 100 > 70%

The amount of air exhaled during the first second of FVC. In the healthy person, at least 70% of the FVC is exhaled within the first second.

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