Atypical Pneumonia

Question 1

Classify legionella

Answer 1

Opportunistic, facultative, intracellular

Question 2

How do you become infected with legionella?

Answer 2

Aspiration or inhalation of contaminated water

Question 3

Is legionella contagious?

Answer 3

No

Question 4

How does legionella survive phagocytosis by monocytes and macrophages?

Answer 4

Alters the endosome so that it can multiply within them and then it escapes

Question 5

Natural habitat of legionella

Answer 5

Stagnant freshwater

Question 6

Why is legionella a new human pathogen?

Answer 6

We’ve created new environments for it to live in like cooling towers and whirlpool spas

Question 7

Are Legionnaires Disease outbreaks traced back to contaminated locations or contaminated people?

Answer 7

Contaminated locations

Question 8

Is Legionnaires Disease life threatening?

Answer 8

Yes, even when treated with antibiotics

Question 9

What two methods are BOTH used together to diagnose a legionella infection?

Answer 9

1) Urine antigen test

2) Culture of respiratory secretions

Question 10

What are the challenges to culturing the respiratory secretions?

Answer 10

Requires a special media and it’s slow

Question 11

For geriatric CAP, what’s the first step you should take?

Answer 11

Take samples for culture/ELISA first

Question 12

For geriatric CAP, what treatment should you begin and when?

Answer 12

Levofloxacin. Begin after taking samples, but before getting results of labs. Don’t wait on the labs

Question 13

In what line of work are outbreaks of legionella common?

Answer 13

Healthcare

Question 14

Does exposure to bad plumbing make an individual vulnerable?

Answer 14

Indubitably

Question 15

Walking pneumonia is caused by this

Answer 15

Mycoplasma pneumoniae

Question 16

In mycoplasma pneumonia, this exotoxin causes ciliostasis, local inflammation, local tissue destruction, and persistence through slow growth and intracellular hiding

Answer 16

CARDS exotoxin

Question 17

Does mycoplasma pneumonia have a high or low mortality?

Answer 17

Very low

Question 18

Do you need to treat mycoplasma pneumonia?

Answer 18

You can, but it will resolve spontaneously

Question 19

If you decide to treat mycoplasma pneumonia what should you use?

Answer 19

Tetracyclines or macrolides