Pneumonia - Lung abscess

Question 1

types of pneumonia

Answer 1

1. lobar
2. Bronchopneumonia
3. Interstitial pneumonia

Question 2

lobar pneumonia - typical organisms

Answer 2

1. S pneumonia
2. Legionella
3. Klebsiella

Question 3

Bronchopneumonia - typical organisms

Answer 3

1. S. pneumonia
2. S. aureus
3. H. influenza
4. Klebsiella

Question 4

Interstitial pneumonia is also called

Answer 4

atypical pneumonia

Question 5

interstitial (atypical) pneumonia - typical organisms

Answer 5

1. Viruses (influenza, CMV, RSV, adenovirus)
2. Mycoplasma
3. Legionella
4. Chlamydia

Question 6

MC typical orgmanism for lobar pneumonia

Answer 6

S pneumonia

Question 7

organism that causes BOTH Lobar and Bronchopneumonia

Answer 7

Klebsiella

S. pneumonia

Question 8

interstitial (atypical) pneumonia - viruses

Answer 8

1. influenza
2. CMV
3. RSV
4. adenovirus

Question 9

Lobar pneumonia - distribution

Answer 9

entire lobe or entire lung

Question 10

bronchopneumonia - distribution

Answer 10

patchy distribution involving >= 1 lobe

Question 11

interstitial atypical pneumonia - distribution

Answer 11

involve >= 1 lobe

DIFFUSE

Question 12

lobar pneumonia - histology

Answer 12

intra - alveolar exudate –> consolidation

Question 13

bronchopneumonia - histology

Answer 13

acute inflammatory infiltrates from bronchioles into adjacent alveoli

Question 14

interstitial atypical pneumonia - histology

Answer 14

diffuse patchy inflammation localized to interstitial areas at alveolar walls

Question 15

walking pneumonia

Answer 15

interstitial (atypical) pneumonia –> generally follows a more indolent course

Question 16

interstitial atypical pneumonia - typical presentation

Answer 16

relatively mild URI symptoms

Question 17

gross phases of lobar pneumonia (and pathophysiology)

Answer 17

1. congestion (congested vessels and edema)
2. Red hepatization (due to exudate, neutrophils and haemorrhage in alveolar
3. Gray hepatization (degration of red cells in the exudate)
4. Resolution

Question 18

aspiration pneumonia seen in

Answer 18

1. alcoholics
2. comatose patients
3. epileptics

Question 19

aspiration pneumonia - most often due to (organisms)

Answer 19

anaerobic bacteria in oropharynx (bacteroids, peptostreptococcus, fusobacterium)

Question 20

lung abscess - definition

Answer 20

localized collection of pus within parenchyma

Question 21

lung abscess - caused by (mechanism)

Answer 21

1. aspiration (of orophyngeal contents)

2. bronchial obstruction (cancer)

Question 22

lung abscess - treatment

Answer 22

clindamycin

Question 23

lung abscess - CXR

Answer 23

Air - fluid levels (often)

Question 24

lung abscess - fluid levels in CXR suggest

Answer 24

cavitation

Question 25

lung abscess - organisms

Answer 25

1. anaerobes (bacteroids, peptostreptococcus, fusobacterium) 2. S aureus 3. Klebsiella

Question 26

lung abscess - aerobic organisms

Answer 26

S aureus | klebsiella

Question 27

lung abscess - anaerobic organisms

Answer 27

1. bacteroids 2. peptostreptococcus 3. fusobacterium

Question 28

S. Pneumonia - pneumonia type?

Answer 28

lobar or bronchopulmonary

Question 29

legionella - pneumonia type?

Answer 29

lobar or atypical

Question 30

klebsiella - pneumonia type?

Answer 30

lobar or bronchopulmonary (or lung abscess)

Question 31

S. aureus - pneumonia type?

Answer 31

Bronchopneumonia (or lung abscess)

Question 32

H. infl - pneumonia type?

Answer 32

bronchopneumonia

Question 33

Lung abscess 2ry to aspiration is most often found in .... (location)

Answer 33

right lung: upright --> basal segment of right lowr lobe supine --> posterior segment of right upper lobe or superior segment of right lower lobe