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Diagnostic M.'s Sara Peer mentor > Chapter 9: Recognizing Pneumonia > Flashcards

Chapter 9: Recognizing Pneumonia Flashcards

1
Q

What is the pattern of Disease in the lungs of Mycobacterium tuberculosis (Tb)?

A

Upper lobe cavitary pneumonia with spread to the opposite lower lobe

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2
Q

What is the pattern of disease in the lung of Klebsiella pneumoniae?

A

Upper lobe lobar pneumonia with bulging interloper fissure

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3
Q

What is the pattern of disease of the lungs of Pseudomonas aeruginosa or anaerobic organisms?

A

Lower Lobe cavitary pneumonia

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4
Q

What is the pattern of disease of in the lungs of Pneumocystis carinii?

A

Perihilar interstitial disease or perihilar airspace disease

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5
Q

What is the pattern of disease of the lungs of Coccidioides, TB?

A

thin walled upper lobe cavity

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6
Q

What is the pattern of disease of the lungs of Streptococci, staphylococci, TB?

A

Airspace disease with effusion

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7
Q

What is the pattern of disease of the lungs in Histoplasma, Coccidioides, Mycobacterium tuberculosis?

A

Diffuse nodules

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8
Q

What is the pattern of disease of the lungs in Aspergillus?

A

Soft tissue, finger like shadows in the upper lobe

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9
Q

What is the pattern of disease of the lungs in Cryptococcus?

A

Solitary pulmonary nodules

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10
Q

What is the pattern of disease of the lungs in Aspergillus (Aspergilloma)?

A

Spherical soft tissue mass in a thin-walled upper lobe cavity

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11
Q

What are the key signs to recognizing a pneumonia?

A

More opaque than the surrounding normal lung
Tends to be homogenous in nature
May be associated with atelecstasis in the affected portion of the lung

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12
Q

What are the key signs to recognizing airspace disease?

A

The margins are fluffy and indistinct, except where they abut a pleural surface such as the interlobar fissures; in this case, they would be sharp

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13
Q

What are the key signs to recognize interstitial pneumonia?

A

Will cause a prominence of the interstitial tissues of the lung in the affected area; in some cases, the disease can spread to the alveoli and resemble airspace disease

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14
Q

What are the characteristics of Lobar Pneumonia?

A

Homogenous consolidation of affected lobe with air bronchograms centrally and produce the silhouette sign

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15
Q

What are the characteristics of segmental (bronchopneumonia) pneumonia?

A

Patchy airspace disease frequently involving several segments simultaneously

No air bronchogram

Atelecstasis may be associated

Can be associated with volume loss because the bronchi are also filled with inflammatory exudate

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16
Q

What are the characteristics of interstitial pneumonia?

A

Reticular interstitial disease usually diffusely spread throughout the lungs early in the disease process

Frequently progresses to airspace disease

17
Q

What are the characteristics of round pneumonia?

A

Spherically shaped pneumonia usually seen in the lower lobes of children

May resemble a mass

18
Q

What are the characteristics of cavitary pneumonia?

A

Produced by numerous microorganisms, chief amongst them being Mycobacterium tuberculosis

Contains lucent cavities produced by lung necrosis

19
Q

What are the characteristics of bland gastric or water acute aspiration?

A

Rapidly appearing and rapidly clearing airspace disease in dependent lobe(s); not a pneumonia

20
Q

What are the characteristics of infected aspirate (aspiration pneumonia)?

A

Usually lower lobes; frequently cavitates and may take months to clear

21
Q

What are the characteristics of unneutralized stomach acid (chemical pneumonia)?

A

Almost immediate appearance of dependent airspace disease that frequently becomes secondarily infected

22
Q

If the ascending aorta is no longer visible due to the silhouette sign, where is the disease?

A

Right upper lobe

23
Q

If the right heart border is no longer visible due to the silhouette sign, where is the disease?

A

Right middle lower

24
Q

If the Right hemidiaphragm is no longer visible due to the silhouette sign, where is the disease?

A

Right lower lobe

25
Q

If the descending aorta is no longer visible due to the silhouette sign, where is the disease?

A

Left upper or lower lobe

26
Q

If the left heart border is no longer visible due to the silhouette sign, where is the disease?

A

Lingula of left upper lobe

27
Q

If the left hemidiaphragm is no longer visible due to the silhouette sign, where is the disease?

A

Left lower lobe

28
Q

How can pneumonia be localized?

A

By using the silhouette sign and spine sign

29
Q

How do pneumonia’s resolve?

A

By “breaking up” so that they contain patchy areas of newly aerated lung within the confines of the previous pneumonia = vacuolization

Diagnostic M.'s Sara Peer mentor (27 decks)

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