microbial identification

Question 1

is an antibiogram good for selecting specific therapy or empiric therapy

Answer 1

empiric since you use antibiograms before susceptibility is tested

Question 2

which microbes do not get MICs

Answer 2

atypical, anaerobes, skin colonizers

Question 3

what is special about serology

Answer 3

testing antigens or antibodies in the blood, cannot show when the infection too k place, good for organisms that can’t go through a culture

Question 4

what is special about PCRs

Answer 4

fast turnaround, detection of antigens and other things, but no susceptibilities; has high sensitivity/specificity

Question 5

what information does MALDI TOF give you and what does it not

Answer 5

bacterial identification but not susceptibility

Question 6

what information can automated systems give you?

Answer 6

microbial detection and susceptibility

Question 7

what can you assume when there is bacteria in the normally sterile areas?

Answer 7

there is a true infection because there shouldn’t be anything

Question 8

what areas of the body are sterile

Answer 8

blood, csf, pericardial fluid, synovial fluid/bone, pleural fluid, peritoneal fluid

Question 9

what areas of the body usually have colonizing flora

Answer 9

respiratory, skin, GU, GI