GRAM
STAIN RESULTS
Gram positive bacilli
with spores (arrows)
"GPB with spores"
Gram positive bacilli
without spores
"GPB", "diphtheroids"
Clostridium, Bacillus
Lactobacillus, Corynebacterium
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GRAM
STAIN RESULTS
|
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| When you see: | Notation: | Think: |
|
Gram positive cocci in clusters | Staphylococcus |
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Gram positive cocci in chains | Streptococcus |
|
Gram positive cocci in pairs or Gram positive diplococci | Streptococcus pneumoniae |
|
Gram positive bacilli
with spores (arrows) Gram positive bacilli
without spores |
Clostridium, Bacillus
Lactobacillus, Corynebacterium |
|
Gram negative diplococci (coffee bean shaped) | Neisseria, Moraxella (Branhamella) |
|
Gram negative bacilli | E coli, all enterics, and others |
|
Gram negative pleomorphic bacilli or Gram negative coccobacilli | Haemophilus, Bacteroides |
|
Gram negative curved bacilli | Campylobacter, Vibrio |
|
Oval yeast with or without budding or pseudohyphae (Gram positive) | Candida |
|
Round yeast without pseudohyphae (Gram positive with stippling) | Cryptococcus neoformans |
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Gram positive branching bacilli | Nocardia, Actinomyces |
|
White blood cells (leukocytes, monocytes, etc.) | Pus |
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Red blood cells | Blood |
|
Squamous epithelial cells | Mouth (seen in specimens from the respiratory tract) |