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Physiology > Pulm Acronyms and Pressures > Flashcards

Pulm Acronyms and Pressures Flashcards

1
Q

TV or Vt

A

tidal volume: volume of gas inspired and passively expired during normal breathing

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2
Q

RV

A

residual volume: volume of gas remaining in the lung after maximal exhalation
~1200mL

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3
Q

ERV

A

expiratory reserve volume: volume of gas that can be maximally exhaled with the lungs and chest at rest
~1100mL

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4
Q

IRV

A

inspiratory reserve volume: volume of gas that can be maximally inhaled at the inspiratory peak of the tidal volume
~3000mL

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5
Q

TLC (total lung capacity)

A

IRV + TV+ ERV + RV

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6
Q

VC (vital capacity)

A

IRV + TV + ERV

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7
Q

IC (inspiratory capacity)

A

IRV + VT

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8
Q

FRC (functional residual capacity)

A

ERV + RV

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9
Q

Eupnea

A

normal or quiet breathing

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10
Q

Dyspnea

A

shortness of breath or air hunger

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11
Q

Apnea

A

cessation of breathing

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12
Q

Palv

A

alveolar pressure

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13
Q

PO2

A

partial pressure of oxygen

= 100mmHg

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14
Q

PCO2

A

partial pressure of carbon dioxide

= 40mmHg

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15
Q

Pao2

A

partial pressure of oxygen in arterial blood

= 95mmHg

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16
Q

Pvo2

A

partial pressure of oxygen in venous blood

= 40mmHg

17
Q

Paco2

A

partial pressure of carbon dioxide in arterial blood

=40mmHg

18
Q

Pvco2

A

partial pressure of carbon dioxide in venous blood

=46mmHg

19
Q

PAo2

A

partial pressure of oxygen in alveolar gas

=100mmHg

20
Q

PAco2

A

partial pressure of carbon dioxide in alveolar gas

=40mmHg

21
Q

So2

A

percent saturation of hemoglobin with oxygen

22
Q

Sao2

A

percent saturation of hemoglobin with oxygen in arterial blood

23
Q

Cao2

A

total concentration of oxygen in arterial blood

24
Q

Cvo2

A

total concentration of oxygen in venous blood

25
Q

VA

A

volume of alveolar gas

26
Q

Vo2

A

rate of oxygen uptake per minute

27
Q

Vco2

A

amount of CO2 eliminated per minute

28
Q

R

A

respiratory exchange ratio

29
Q

Q

A

cardiac output

Physiology (13 decks)

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