Flashcards in Path: Pulmonary Infection Deck (25):
What are the two patterns of consolidation and infection with bacterial pneumonia?
What are the 4 stages of the inflammatory response with lobar pneumonia?
2. Red Hepatization
3. Gray Hepatization
Most common cause of community acquired pneumonia (CAP).
Most common cause of acute exacerbation of COPD.
Second most common cause of acute exacerbation of COPD.
Common cause of bacterial pneumonia in IV drug users.
Most common cause of pneumonia in alcoholics.
Most common cause of pneumonia in Cystic Fibrosis patients
Most common cause of atypical pneumonia in college-age students and a test to confirm the Dx.
-Cold Aglutinin test
Cause of severe acute respiratory syndrome.
Major causes of Hospital Acquired Pneumonia (HAP).
Gram (-) rods
Who normally develops aspiration pneumonia?
Very debilitated patients
-ex. stroke patients
How can you differentiate a lung abscess from a tumor on CT or CXR?
Abscesses will have an air-fluid level
Type of pneumonia where most lung abscesses form.
-caused by gram (-) rods and S. aureus
Only way to get rid of a lung abscess.
What type of pneumonia is found in immunocompetent patients?
Most common causes of chronic pneumonia and type of inflammation that occurs.
Bacteria and Fungi
Microbe that causes pneumonia found in bird or bat feces.
Where does Histoplasma reside within the body?
-inside host macrophages
How do Histoplasma granulomas appear on microscopy?
"Tree Bark" appearance
Also something about boobs?
How do Blastomyces granulomas appear on microscopy.
-just like TB
Spherules on microscopy.
-they will be located inside macrophages or giant cells
Most common cause of pneumonia in IC patients when T cell counts are below 50cells/uL
MAC (Mycobacterium avium complex)