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SPECIMEN
GRAM STAINS
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WHEN YOU KNOW: |
GRAM STAIN RESULTS: |
THINK: |
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Meningitis (CSF) |
Pleomorphic Gram negative bacilli |
Haemophilus influenzae |
| Gram negative diplococci | Neisseria meningitidis | |
| Gram positive cocci in pairs | Streptococcus pneumoniae | |
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Wound infection |
Gram positive cocci in clusters |
Staphylococcus aureus |
| Gram positive cocci in pairs | Streptococci | |
| Gram positive bacilli | Bacillus, Clostridium | |
| Gram negative bacilli | E coli, enterics, others | |
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Bacteremia |
Gram positive cocci in clusters |
Staphylococcus aureus |
| Gram positive cocci in chains | Streptococci | |
| Gram positive cocci in pairs | Streptococcus pneumoniae | |
| Gram positive bacilli | Bacillus, Corynebacterium, Clostridium | |
| Gram negative bacilli | E coli, enterics, others | |
| Yeast | Candida albicans, Cryptococcus neoformans | |
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Urinary tract infection |
Gram positive cocci in clusters |
Staphylococcus aureus |
| Gram positive cocci in chains | Streptococci | |
| Gram positive cocci in pairs | Enterococci | |
| Gram negative bacilli | E coli, enterics, others | |
| Yeast | Candida albicans | |