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Gram-Positive Bacteria

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Topic updated on 01/24/17 8:26am

Gram-Positive Vs. Gram-Negative Bacteria
 

 
Gram Positive Bacteria Overview

 
COCCI
Staphylococcus
Bacteria Disease Treatment
Staphylococcus aureus
MSSA
MRSA
Staphylococcus epidermidis
  • Normal skin flora
  • Catheters/prosthetic devices
  • Biofilms
  • Blood culure contamination
Vancomycin
Staphylococcus saprophyticus --
Streptococcus
Streptococcus pneumoniae
Streptococcus pyogenes (Group A)
Streptococcus agalacticae (Group B)
  • Normal vaginal flora
  • Neonatal septicemia
  • Meningitis (neonatal)
Streptococcus viridans
Streptococcus bovis (Group D) --
Enterococci
Enterococci faecalis (Group D strep)
BACILLI
Spore-forming
Bacillus anthracis
  • Anthrax
Bacillus cereus
  • Food poisoning (rice)
  • Self-limiting
Clostridium tetani
  • Tetanus
  • Hyperimmune human globulin
Clostridium botulinum
  • Botulism
  • Antitoxin or hyperimmune human globulin
Clostridium perfringens
  • Gas gangrene
  • Food poisoning
  • Clindamycin or self-limiting
Clostridium difficile
  • Antibiotic associated diarrhea
  • Colitis
  • Pseudomembranous colitis
Non-spore forming
Corynebacterium diphtheriae
  • Diphtheria
Listeria monocytogenes
  • Meningitis
  • Amnionitis
  • Spontaneous abortion
  • Granulomatosis infantiseptica
  • Gastroenteritis


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Qbank (1 Questions)

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(M1.MC.78) A 43-year-old patient with a history of esophageal cancer presents with sudden onset slurred speech. On CT scan, she is found to have an acute intraparenchymal hemorrhage, likely from a metastasis, with interventricular extension. Due to concern for hydrocephalus, an external ventricular drain is placed in order to control the intracerebral pressure. Two weeks later, she undergoes a lumbar puncture due to altered mental status, and the gram stain of the fluid is depicted in Figure A. Which part of the bacteria is responsible for the blue color on the stain? Topic Review Topic
FIGURES: A          

1. Cell wall
2. Mitochondria
3. Golgi
4. Nucleus
5. Endoplasmic reticulum

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