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Pulmonology > Pulm Function Tests > Flashcards

Pulm Function Tests Flashcards

1
Q

This condition makes the lungs scarred and smaller; containing too little air and are poor at transferring oxygen into the blood.

A

Restrictive lung disease

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1
Q

This is the measurement of lung volume.

A

FVC - forced vital capacity

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2
Q

Normal spirometry values are based off what factors?

A

Age (not under 6) Height Ethnicity Sex

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2
Q

What are provocative tests useful for?

A

Documenting specific or nonspecific reactivity

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3
Q

Reduced FVC processes are generally termed as what?

A

Restrictive

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3
Q

To test reversibility of obstruction, what indicates if the airway disease is reversible?

A

After given a bronchodilator, the FEV1 goes up greater than 12% (asthma)

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3
Q

What test provides the most accurate measurement of oxygenation, the only accurate way to determine PCO2, and the assessment of acid-base status?

A

Arterial blood gases

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4
Q

What are examples of obstructive lung disease?

A

Emphysema, asthma, chronic bronchitis, infections

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5
Q

To test reversibility of obstruction, what indicates that the disease in nonreversible?

A

After given a bronchodilator, the FEV1 does not go up greater than 12% (COPD)

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6
Q

Amount of air you can slowly exhale after you inhale as deeply as possible

A

Slow vital capacity (SVC)

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7
Q

Difference between the amount of air in your lungs after a normal exhale (FRC) and the amount after you exhale with force (RV)

A

Expiratory reserve volume (ERV)

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7
Q

Spirometry values are considered abnormal if less than what percent the predicted value?

A

80% (4L FEV1/5L FVC)

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9
Q

Amount of air in your lungs at the end of a normal exhaled breath

A

Functional residual capacity (FRC)

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10
Q

How is the FEV1/FVC ratio affected in restrictive disease?

A

The ratio will be normal or even elevated, because both FEV1 and FVC are reduced

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11
Q

Amount of air you can exhale with force after you inhale as deeply as possible

A

Forced vital capacity (FVC)

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12
Q

What is the most used spirometry test?

A

FEV1

14
Q

How quickly you can exhale

A

Peak expiratory flow (PEF)

15
Q

Flow halfway through an exhale

A

Forced expiratory flow 25% to 75%

17
Q

Amount of air you can exhale with force in one breath

A

Forced expiratory volume (FEV)

18
Q

What are examples of restrictive lung disease?

A

Extreme overweight, fibrosis, lung cancer, sarcoidosis, scleroderma

19
Q

This condition makes the lungs contain too much air and take longer to empty; narrowed airways.

A

Obstructive lung disease

20
Q

Greatest amount of air you can breath in and out during one minute

A

Maximum voluntary ventilation (MVV)

22
Q

Amount of air in your lungs after you have exhaled completely

A

Residual Volume (RV)

23
Q

What is an exercise test useful for?

A

Determining the reason for exercise limitation or shortness of breath

24
Q

A patient with this condition struggles to get air out of the lungs.

A

Obstructive disease

25
Q

A flattening of inspiration (spirometry) indicates what type of defect?

A

Extrathoracic (vocal cord dyskinesia, trachomalacia)

26
Q

Amount of air in your lungs after you inhale as deeply as possible

A

Total lung capacity (TLC)

27
Q

What type of testing involves the inhalation of a substance that will cause a bronchospastic reaction?

A

Provocative tests

29
Q

What are intrinsic causes of restrictive disease?

A

Pulmonary fibrosis sarcoidosis collagen vascular disease amyloidosis

30
Q

What are extrinsic causes of restrictive disease?

A

obesity scoliosis neuromuscular disease

31
Q

A flattening of expiration (spirometry) indicates what type of defect?

A

Intrathoracic (Tumor, tracheal stenosis)

32
Q

What does FEV1 test?

A

The amount of air exhaled with force in one second.

33
Q

This condition is an increased resistance to airflow

A

Obstructive disease

Pulmonology (4 decks)

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