Microbiology (Main): Difference between revisions
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== Gram Positives == | == Gram Positives == | ||
===Cocci=== | |||
#Clusters | |||
##catalase + Staph sp | |||
##coagulase + S. aureus | |||
##coagulase - S. epidermidis | |||
#Pairs/chains - | |||
##catalase - Strep sp. | |||
===Rods=== | ===Rods=== | ||
Revision as of 06:58, 20 February 2014
Background
- Culture and gram stain results
Gram Negatives
Cocci
- Neisseria
- meningitidis (meningococcus)
- gonorrhoeae (gonococcus)
- Moraxella
Rods
| Lactose Fermenters |
Indole |
morphology |
|
E. Coli |
+ |
flat |
| Klebsiella | - | muccoid |
| Enterobacter | - |
muccoid |
| Citrobacter | - | flat |
| Arizona | - |
| Non-Lactose Fermenters | Characteristics |
|
Pseudomonas |
usually strict aerobes, oxidase +, small |
| Salmonella, Shigella | |
| Acinetobacter | coccobac |
| Proteus |
swarming |
| H. Flu |
tiny, chocolate agar |
| Pasteurella |
Gram Positives
Cocci
- Clusters
- catalase + Staph sp
- coagulase + S. aureus
- coagulase - S. epidermidis
- Pairs/chains -
- catalase - Strep sp.
Rods
| Rods |
Cult |
Morphology | |
|
Listeria |
Small |
Aero |
tumbling |
| Diphtheroids |
Small | Anaero |
pallisades |
| Actinomyces |
Small | Anaero |
Branching |
| Propionibac |
Small | Anaero |
clumps/pleo |
| Lactobacillus |
Variable | Both |
may chain |
| Clostridium |
Large | Anaero |
Spores |
| Bacillus | Large | Aero | Spores |
Anaerobes
- Origin - gut, mouth, head/neck (50% of chronic sinusitis), lung, female gu tract
- Cant grow unless culture specifically asked. 3% of bacteremia, <1% of cystitis
- Bacteroides (B.frag GNR) (Peptostreptococus GPC) (P. Acnes GPR), Clostridium GPR)
Source
7/2/09 PANI