NTM Flashcards Preview

IDEA > NTM > Flashcards

Flashcards in NTM Deck (29)
Loading flashcards...
1
Q

which NTM is most likely MDR?

A

M. avium complex (MAC)

2
Q

how is NTM transmitted?

A

from the environment

3
Q

what is the NTM reservoir?

A

environment

4
Q

is NTM transmitted person-to-person?

A

no

5
Q

what age group is most susceptible to NTM infx?

A

elderly

6
Q

what are key risk factors for NTM infx?

A

immunosuppression and underlying disease

7
Q

can NTM induce a positive PPD skin test?

A

yes, but weakly

importance of >15mm in normal people

8
Q

does NTM normally cause disease in immunocompetent persons?

A

no

9
Q

is M. kansasii a fast or slow grower?

A

slow grower

10
Q

is M. avium (MAC) a fast or slow grower?

A

slow grower

11
Q

is M. fortuitum a fast or slow grower?

A

fast grower

12
Q

is M. abscessus a fast or slow grower?

A

fast grower

13
Q

is M. chelonae a fast or slow grower?

A

fast grower

14
Q

is M. massiliense a fast or slow grower?

A

fast grower

15
Q

is M. bolletii a fast or slow grower?

A

fast grower

16
Q

where is M. kansasii found?

A

water supplies

17
Q

in what geographical region is M. kansasii common?

A

Midwest US

18
Q

is M. kansasii contagious?

A

minimally

19
Q

where is MAC found?

A

ubiquitous in environment

20
Q

in what geographical region is M. kansasii common?

A

Southeastern US

21
Q

in what epidemiological group is M. kansasii usually seen?

A

older white males with underlying lung disease

22
Q

if you see a weakly positive PPD in an older white male with chronic lung disease, presenting with TB like symptoms, what is a non-MTB cause?

A

MAC

23
Q

In HIV patients, what is the most common bacterial infx?

A

MAC

24
Q

what does hepatosplenomegaly and elevated liver enzymes in an HIV pt presenting with flu like symtoms possibly indicate? (assuming bacterial etiology is indicated)

A

MAC infx (via GIT)

25
Q

what NTM is common in accidental wound trauma and surgical procedures (especially prosthetic implants)?

A

fortuitum complex (rapid growing NTM agents)

26
Q

so a woman recovering from breast cancer gets implants. Within a week, she has disseminated infx involving skin, soft tissue, bone, and LRT. Besides the typical HAP agents, what might’ve caused the infx?

A

fortuitum complex (rapid growing NTM agents)

27
Q

what NTM agent is susceptible to alkaline glutaraldehyde, and a low susceptibility to high level disinfectants?

A

fortuitum complex (rapid growing NTM agents)

28
Q

what phylogenetic level does the lab have to specify, pertaining to NTM agents?

A

species level

29
Q

is there any specific NTM treatment listed in the notes?

A

nope, fuckin nothing