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Physiology > FEV1 and FVC > Flashcards

FEV1 and FVC Flashcards

1
Q

Volume of air expired after one second of forced maximal exhalation

A

FEV1

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2
Q

Total volume of air expired of forced maximal exhalation

A

FVC

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3
Q

FEV1/FVC - Normal value

A

80%

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4
Q

Primary drive to breath in COPD patients

A

HYPOXIC DRIVE - low PaO2 stimulating peripheral chemoreceptors

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5
Q

PFT result in person with pulmonary fibrosis (restrictive lung diseases)

A

decreasing diffusing capacity of the lung

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6
Q

Drugs that can cause interstitial lung disease/restrictive lung disease

A

Busulfan
Amiodarone
Methotrexate

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7
Q

Microscopic crystals composed of eosinophil protein galectin-10

Seen in patients w/ Asthma or Parasitic Pneumonia

A

Charcot Leyden Crystals

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8
Q

Obstructive Lung Diseases

Asthma
COPD

A

problem in EXPIRATION

decreased FEV1 than FVC
decreased FEV1/FVC
increased FRC

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9
Q

Restrictive Lung Diseases

Fibrosis
Sarcoidosis

A

problem in INSPIRATION

decreased FVC than FEV1
normal or increased FEV1/FVC
decreased FRC

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Physiology (98 decks)

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