SPOREFORMING, ANAEROBIC, GRAM-POSITIVE BACILLI

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• round, terminal:

  Clostridium tetani
• Tack head, Drumstick, Lollipop bacillus:

  Clostridium tetani
• Causes tetanus, which results from the entry of organism or spores into a puncture wound:

  Clostridium tetani
• neurotoxin, spastic paralysis, lockjaw

  tetanospamin
• causing hemolysis:

  tetanolysin
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• Canned good bacillus

  Clostridium botulinum
• Causes food, wound, infant botulism:

  Clostridium botulinum
• floppy babies:

  Clostridium botulinum
• most potent exotoxin, neurotoxin, flaccid paralysis:

  Botulinum toxin
• Lecithinase Test (Nagler’s Reaction):

  Clostridium pefringens
• Boxcar-shaped bacillus, Gas gangrene bacillus:

  Clostridium perfringens
• Most common Clostridium spp. isolated in blood cultures:

  Clostridium perfringens
• Causes the following conditions:

  gas gangrene

  necrotizing enteritis:

  Clostridium perfingrens
• myonecrosis:

  gas gangrene
• caused by beta-enterotoxin, perfringens bloody diarrhea, vomiting and abdominal pain:

  necrotizing enteritis
• pig-bel:

  enterotoxin
• Double zone of hemolysis (target hemolysis) on BAP:

  Clostridium perfingrens
• Stormy fermentation of milk:

  Clostridium perfingrens
• Reverse-CAMP positive (arrowhead hemolysis):

  Clostridium perfingrens
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• Renamed to Clostridioides difficile:

  Clostridium difficile