Atelectasis Flashcards

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1
Q

what is atelectasis

A

-str collapse of part of lung– impedes expansion the affected part is non fx
(airlessness part of lung is airlessness b/c structurally collapsed)

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2
Q

the three types of atelectasis

A
  • obstructive/reabsorptive atelectasis
  • compression atelectasis
  • contraction atelectasis
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3
Q

obstructive/re-absorptive atelectasis

A

-airway obstruction (eg. by mucus) –air trapped– absorbed into capillaries–local collapse

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4
Q

compression atelectasis

A

external pressure on lungs (eg. tumor)

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5
Q

contraction atelectasis

A

scar tissue on lungs or pleura contracts & collpases lung

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6
Q

mnfts of atelectasis

A
  • dyspnea
  • tachypnea(increased resp rate)
  • tachycardia (compensatory response)
  • trachial shift or trachial deviation (more pressure on side that works will cause trachea to shift towards side that is affected)
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7
Q

what causes trachial shift or trachial deviation

A

more pressure on side that works with no atelectasis will cause trachea to shift towards side that is affected and has atelectasis

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8
Q

Diagnosing atelecatsis

A
  • physical exam
  • chest x-ray
  • CT
  • bronchoscopy
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9
Q

treatment of atelectasis

A
  • treat underlying cause

- 02?

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