gram negative

Microbes - Specific

Staphylococci

 

Characteristics

- gram positive cocci

- arranged in irregular clusters /  grapes

- non motile

- non spore forming

 

Culture

 

Grow on most media in aerobic conditions

- S aureus is golden

- S epidermidis is white

 

Resistance

 

ß lactamase production

- plasmid mediated

Microbes - General

Gram Positive

 

Gram Positive cocci

 

Staphylococcus epidermis / aureus 

- 1/2 - 2/3 all infections

 

Streptococcus viridans

- 25%

 

Other

- Enterococci

- Strept. pyogenes / pneumoniae

- Neiserria

 

Gram positive bacilli (all anaerobes)

 

Clostridiae (bacilli)

Listerius