Emphysema Flashcards

1
Q

ephysema

A

an obstructive disease disease characterize by destruction of lung tissue

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2
Q

panlobular

A

destruction of parenchyma distal to the terminal bronchioles
typically a lower lobe disease or pattern
alpha one antitrypsin defiency

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3
Q

centrilobular

A

usually an upper lobe disease

usually characterize by destruction of central respiratory bronchioles sparing the distal portion

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4
Q

smoke increase protease activity and it does what?

A

an enzyme which destroys the terminal bronchioles and alveolar walls
which decreases mucocillary transport
paralyzes cilia
thickens mucous increase mucous production from irruption

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5
Q

smokers are most likely to develop in?

A

centrilobular emphysema of upper lobes

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6
Q

alpha 1 protease inhibitor

A

responsible for the inactivation of elastase

breaks down elastin during an inflammatory response

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7
Q

if enzyme alpha 1PI is missing then

A

lung tissue is lost due to action of elastic

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8
Q

inhierated emphysma

A

approximately 1% of cases

most people with genetic problem of deficiency alpha 1PL due well if they don’t smoke

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9
Q

PFT lung volumes decrease in

A

FVC
FEV1
IC
ERV

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10
Q

pft lung volume increase in

`

A
tidal volume
TLC
FRC
RV
RV/TLC%
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11
Q

what is decrease in flow

A

FEF25-75%

decrease DLCO

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12
Q

lung pathology affects on oxygenation and ventilation

A

decrease surface area
v/q mismatch
affects hypoxemia and hypercapnea

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13
Q

symptoms of chronic emphysema

A

often symptoms occur with chronic bronchitis
dyspnea during exertion
typically worse following or during upper respiratory illness

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14
Q

chest expectation

A

tachypnea
use of accessory muscle
increase AP diameter
pursed lip breathing

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15
Q

in palpation you should feel

A

decrease tactile and vocal fremitous

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16
Q

percussion and auscultation

A

hyperresonance and flat lower diaphragm

diminished breath sounds

17
Q

x-ray

A

flattend diaphragm
hyperinflation
compress heart
increased retrosternal airspace

18
Q

ABG we expect

and ekg

A

compensated respiratory acidosis with hypoxemia

right shift of p and QRS in frontal plane

19
Q

support oxygenation and ventilation

A

low flow oxygen

cpt breathing retraining

20
Q

decrease work of breathing

A

symoathomimetics
methylxanthines
cortisteriod

21
Q

respiratory rehab is very important

A

improvement in exercise tolerance knowledge of disease state
improvement in self-care
smoking cessation is important

22
Q

supplemental oxygen

A

administer if resting pa02<55 mm Hg
usually low flow system are adequate
v/q mismatching is the pathology

23
Q

prolastin replacement

A

must be done fairly early in life prior to lung loss

very expensive