Values Flashcards by William Brown

Q

P.b

A

760

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Q

P.H2O

A

47

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Q

P.x (wet air)

A

P.x = F.x (P.b - P.H2O)

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Q

F.CO2

A

0.03%

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Q

F.O2

A

21%

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Q

Dalton’s Law

A

P.z=(X.z)(P.total)

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Q

Henry’s Law

A

[O2].dis = S (P.O2)

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Q

Solubility of O2

A

.0013 mM/ mmHg

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Q

BTPS

A

Body Temperature and Pressure Saturated

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Q

ATPS

A

Atmospheric Temperature and Pressure Saturated

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Q

STPD

A

Standard Temperature and Pressure Dry

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Q

∆V.BTPS =

A

(1.074)(∆V.ATPS) = (1.21)(∆V.STPD)

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Q

IRV

A

Inspiratory reserve volume

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Q

TV

A

Tidal Volume = 500mL

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Q

ERV

A

Expiratory reserve volume

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Q

RV

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A

Residual Volume

Q

TLC

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A

Total lung capacity = IRV+TV+ERV+RV

sum of all four values

Q

IC

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A

Inspiratory Capacity = IRV+TV

maximal amount of air that can be expired after a quiet expiration

Q

FRC

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A

Functional Risidual Capacity = ERV+RV

volume of air remaining after quiet expiration

Q

VC

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A

Vital Capacity = IRV+TV+ERV

Maximal achievable tidal volume

Q

Helium dilution method for V.lung

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A

V.lung = V.system ( ([He].i / [He].f) - 1 )

Q

Nitrogen washout for V.lung

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A

V.lung = V.sack ([N2].sack / [N2].initial)

Q

PAO2 (normal)

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A

100

Q

PACO2 (normal

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A

40

tidal volume

500mL

VA

350mL

PAO2 =

Pio2 - ( PACO2/ 0.8 )

PAO2 (max)

149

PiO2

149