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14 Cards in this Set
- Front
- Back
|
Gram |
Negative |
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|
Shape |
Rod |
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Capsule |
Encapsulated (polysaccharide capsule) thus mucoid colonies |
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|
Biochemical |
Oxidase +ve obligate aerob does not ferment CHo Catalase +ve Citrate +ve Indole -ve |
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Common in patients with |
CF Burn injuries Immunocompromised DM Hospitalized |
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Pigments |
Pyocyanin blue Pyoverdin yellow-green Pyorubin reddish brown siderophore |
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Habitat |
Water Soil Hospital evt Disinfectant solutions Tolerate T 4 to 42 degree Celsius |
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Risk factors |
Burn wounds Chemotherapy CF HIV/AIDS Mechanical ventilators or catheters Surgery |
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Virulence factors |
Toxins exotoxin A Enzymes catalase Adhesins Plasmids |
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Diseases caused by Pseudomonas |
Skin infections - erythyma gangrenosum Septicemia UTI Tracheobronchitis- necrotizing broncho pneumonia Soft tissue infection in burn Otitis externa Swimmer's ear Eye infection Endocarditis Localized GIT, CNS and musculoskeletal diseases |
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Higher mortality with pseudomonas endocarditis and bacteremia b/c |
1, predilection to immunocompromised 2, difficulty in treating antibiotic-resistant strains 3, inherent virulence |
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Treatment |
Aminoglycosides Polymyxin Penicillins Cephalosporins |
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Topical antibiotics used on burn wounds |
Silver Sulfadiazine |
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Prevention and control |
Aseptic techniques Topical Tx of burn wounds with silver sulfadiazine and surgical debridement |
