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Test Taking Tip
Familiarize yourself with the table below for wound classification and general indication for antibiotic therapy.
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Name factors that influence the development of infection:
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Poor approximation of tissue, hematoma/seroma, hypothermia, long operation (>2 hours), excessive local tissue destruction/necrotic tissue, low blood flow, foreign body, dead space, and strangulation of tissues by tight sutures
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Most common nosocomial infection:
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How many colony-forming units (CFUs) are needed on urine culture to confirm a diagnosis of UTI?
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Most common nosocomial infection causing death:
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Overall most common organism in surgical wound infections:
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Most common anaerobe in surgical wound infections:
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When do wound infection classically arise?
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Treatment for a wound infection:
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Remove sutures/staples, culture wound, examine to rule out fascial dehiscence, leave wound open and pack, start antibiotics
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Bacteria that will cause wound infection and fever within 24 hours after surgery:
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Organisms that can cause necrotizing soft tissue infections:
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Usual organism to cause necrotizing fasciitis:
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Time period to wait before obtaining a CT scan to look for postoperative abscess:
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Findings on CT scan to indicate abscess:
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Usual initial treatment for intraabdominal abscess:
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Most common bacteria to cause a line infection:
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How many CFUs are needed from a central line culture to indicate line infection?
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In what instance should a central line be changed over a guidewire?
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