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Respiratory > Pulmonary Function Tests > Flashcards

Pulmonary Function Tests Flashcards

1
Q

What type of pulmonary function tests are spirometry, peak flow etc?

A

Effort dependent

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2
Q

What type of curve is spirometry plotted on?

A

Volume time curve

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3
Q

From spirometry, what major difference can be seen between COPD and asthma/normal?

A

Has a much lower FVC

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4
Q

Does asthma have a lower than normal FVC?

A

No

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5
Q

Does asthma have a lower than normal FEV1?

A

Yes

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6
Q

Does COPD have a lower than normal FEV1?

A

Yes

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7
Q

In a question, FVC is reduced, what will it be? What is the only exception to this?

A

COPD. Exception is airway remodelling in asthma

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8
Q

What will the peak flow be in obstructive?

A

Decreased

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9
Q

What will the peak flow be in restrictive?

A

Normal

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10
Q

What will the FEV1 be in obstructive?

A

Low

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11
Q

What will the FEV1 be in restrictive?

A

Low

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12
Q

What will the FVC be in obstructive?

A

Low in COPD, normal in asthma

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13
Q

What will the FVC be in restrictive?

A

Low

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14
Q

What will the FEV1/FVC ratio be in obstructive?

A

Decreased (<75%)

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15
Q

What will the FEV1/FVC ratio be in restrictive?

A

Normal (>75%)

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16
Q

What will the FEV1 response to beta agonist be in obstructive?

A

> 15% in asthma

< 15% in COPD

17
Q

What will the FEV1 response to beta agonist be in restrictive?

A

No response

18
Q

What will cause a decreased peak flow and FEV1 following exercise?

A

Asthma

19
Q

What will cause a decreased SaO2 during exercise?

A

Restrictive disease

20
Q

What is a useful test for people who can’t perform a forced expiratory test?

A

Airway resistance

21
Q

What does exhaled breath condensate measure?

A

Exhaled breath nitric oxide

22
Q

What is exhaled breath nitric oxide a marker of?

A

Eosinophilic airway inflammation

23
Q

Why is exhaled breath condensate not used for COPD?

A

Nitric oxide is suppressed by smoking

Respiratory (16 decks)

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