12) Lung Vol & Capacities Flashcards by Danielle Kreda

Q

Long volumes

A

A measure of A/W & lung restriction

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Q

Capacity

A

2+ volumes

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Q

Tidal volume

A

Amount of air taken in w/1 normal breath

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Q

What is a normal TV?

A

500mL

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Q

What is a normal IRV?

A

3L

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Q

Expiratory Reserve Volume

A

Air you can exhale after normal exhale

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Q

What is a normal ERV?

A

1.2L

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Q

Residual Volume

A

Amount of air left in lungs after a max exhale

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Q

What is a normal RV?

A

1.2L

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Q

Formula for TLC

A

TV+IRV+ERV+RV

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Q

What is a normal TLC?

A

5L

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Q

Formula for Vital Capacity

A

IRV+TV+ERV

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Q

What is a normal vital capacity?

A

4.8L

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Q

What is a normal fxnl residual capacity?

A

2.4L

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Q

What is a normal inspiratory capacity?

A

3.5L

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Q

Formula for IC

A

IRV+TV

Q

Flows

A

Primary measure of AW obstruction

Q

Flow formula

A

Vol/Time

Q

PEFR

A

Peak Expiratory Flow Rate

Q

What is a normal FEV1?

A

75-80%

Q

FEF

A

Forced Expiratory Flow

Q

What is a normal FEF?

A

25-75%

Q

FRC

A

Equilibrium point between lung & chest re-coil–>Maintains normal ABG’s