Microbiology (Main): Difference between revisions

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==I. Gram Negatives==
==Categories==
*Bacteria
**[[Gram Positives]]
**[[Gram Negatives]]
**[[Anaerobes]]
**[[Non-Culture Growing Bacteria]] (Miscellaneous)
*[[Viruses]]
*[[Parasitic Diseases]]
*[[Fungi]]
*[[Prions]]


==Interpretations of Key Phrases==
*“Acid fast bacilli” may suggest Mycobacterium species


A. Cocci
==Table Overview==
 
{{Clinically Relevant Bacteria}}
* Neisseria sp. meningococcus, Moraxella
 
B.  Rods
 
1) Lactose Fermenters Indole    morphology
E.  Coli     
 
+ flat
Klebsiella - muccoid
Enterobacter - muccoid
Citrobacter - flat
Arizona -
 
2). Non-Lactose Fermenter Characteristics   
Pseudomonas
 
usually strict aerobes, oxidase +, small
Salmonella, Shigella
Acinetobacter coccobac
Proteus swarming
H. Flu tiny, chocolate agar
Pasteurella
 
II. Gram Positives    A.  Cocci
 
          1)  Clusters
 
i. catalase + Staph sp
 
ii. coagulase +  S. aureus
 
iii. coagulase -  S. epidermidis
 
          2)  Pairs/chains -
 
                    i. catalase -  Strep sp.
 
 
B. 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
                   
 
III. Anaerobes1. Origin - gut, mouth, head/neck (50% of chronic sinusitis), lung, female gu tract
 
2. Cant grow unless culture specifically asked. 3% of bacteremia, <1% of cystitis
 
3. Bacteroides (B.frag GNR) (Peptostreptococus GPC) (P. Acnes GPR), Clostridium GPR)
 
 
7/2/09 PANI
 


==See Also==
*[[Antibiotics (Main)]]
*[[Comparison of Antibacterial Spectra]]
*[[Bacteremia Versus Contaminated Blood Cultures‎]]
*[[Isolation Precautions]]


==References==
<references/>


[[Category:ID]]
[[Category:ID]]

Latest revision as of 01:32, 21 February 2021