Pneumonia Flashcards

1
Q

Lobar pneumonia: characteristics

A

homogenous consolidation of affected lobe with air bronchogram; strep pneumo

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2
Q

segmental pneumonia: characteristics

A

patchy airspace disease, freq. involving several segments, no air bronchogram, atelectasis; staph au.

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3
Q

interstitial pneumonia: characteristics

A

reticular, interstitial disease; usually diffuse; progresses to airspace disease; P. jiroveci

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4
Q

round pneumonia: characteristics

A

lower lobe of children, resembles mass; spherically shaped; H. influ / streptococcus / pneumococcus

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5
Q

cavitary pneumonia: characteristics

A

mycobacterium, TB

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6
Q

cocciodies / TB manifestation on xray

A

thin walled, upper lobe cavity (Ohio river valley)

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7
Q

airspace disease + effusion

A

streptococci, staphylococci, TB

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8
Q

diffuse nodules

A

histoplasma, coccidoides, mycobacterium TB

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9
Q

aspergillos manifestations

A

soft-tissue fingerlike shadows in upper lobes, or spherical soft tissue mass in a thin-walled upper lobe mass

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10
Q

cryptococcus pneumonia manifestations

A

solitary pulmonary nodule

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11
Q

pseudomonas aergulosa / bacterioides (anaerobic) pneumonia

A

lower lobe cavitary pneumonia

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12
Q

klebsiella pneumonia

A

upper lobar pneumonia w/ bulging interlobar fissure

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13
Q

upper lobe cavitary pneumonia w/ spread to the opposite lower lobe

A

TB

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14
Q

patterns of aspiration:

A

1) bland gastric acid / water
2) infected aspirated (i.e.: aspiration pneumonia)
3) unneutralized stomach acid = chemical pneumonitis

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15
Q

characteristics of bland acid / water aspiration

A

rapidly appearing / clearing air space disease in dependent lobes (not a pneumonia)

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16
Q

characteristics of infected aspirate

A

lower lobes, frequently cavitates, months to clear

17
Q

unneutralized stomach acid aspirate

A

most immediate appearing of dependent airspace disease; frequently secondarily infected

18
Q

which side of the lung is more likely to be affected by aspiration?

A

right side b/c the right mainstem bronchus is straighter / wider

19
Q

ascending aorta no longer visible

A

right upper lobe pneumo

20
Q

right heart border no longer visible

A

right middle lobe pneumo

21
Q

R hemidiaphragm no longer visible

A

R lower lobe pneumo

22
Q

descending aorta no longer visible

A

L upper / lower lobe pneumo

23
Q

L heart border no longer visible

A

lingula of the L upper lobe

24
Q

L hemidiaphragm no longer visible

A

L lower lobe pneumo