   Methicillin resistance in S. aureus is defined as an Oxacillin (MIC) > 4
    microgram/mL. Isolates resistant to oxaci...
   The mecA gene responsible for methicillin resistance
   Staphylococcal cassette chromosome (SCCmec).
   There are fi...
Hospital Associated                Community Associated
        MRSA                              MRSA
       HA - MRSA   ...
12-29%
    Prior skin infection
    Previous antibiotic use
    Illicit drug use
    Tattoo recipients
    Prison residence
...
   Antibiotic use within three months before admission.
   Hospitalization during the past 12 months.
   Diagnosis of s...
   Skin or soft tissue infections.
   Necrotizing pneumonia.
   Necrotizing fasciitis
   Rapidly fatal septicemia
   ...
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
Community Acquired MRSA & Animal Bites
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Community Acquired MRSA & Animal Bites

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This case will help you managing the community acquired coetaneous MRSA wounds and antibiotics choice plus animal bites pathology and management

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Community Acquired MRSA & Animal Bites

  1. 1.  Methicillin resistance in S. aureus is defined as an Oxacillin (MIC) > 4 microgram/mL. Isolates resistant to oxacillin or methicillin are also resistant to all beta - lactam agents including cephalosporins.
  2. 2.  The mecA gene responsible for methicillin resistance  Staphylococcal cassette chromosome (SCCmec).  There are five SCCmec types (I-V) that vary in genetic makeup and size.
  3. 3. Hospital Associated Community Associated MRSA MRSA HA - MRSA CA - MRSA type I, II, or III SCCmec type IV SCCmec does not carry the multiple antibiotic resistance Sensitive to Bactrim, Clindamycin & Multiple antibiotic resistance 50% fluoroquinolones. Panton-Valentine leukocidin •SCCmec type IV CA-MRSA •skin •soft tissue •necrotizing pneumonia Prolonged hospitalization •MRSA USA300
  4. 4. 12-29%
  5. 5.  Prior skin infection  Previous antibiotic use  Illicit drug use  Tattoo recipients  Prison residence  Military personnel  A higher body mass index  Cosmetic body shaving  Physical contact with a person who has a draining lesion or is a carrier of MRSA  Sharing equipment that is not cleaned or laundered between users
  6. 6.  Antibiotic use within three months before admission.  Hospitalization during the past 12 months.  Diagnosis of skin or soft-tissue infection at admission  HIV infection
  7. 7.  Skin or soft tissue infections.  Necrotizing pneumonia.  Necrotizing fasciitis  Rapidly fatal septicemia  Endocarditis  Osteomyelitis

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