Osteomyelitis: Anatomy, Classification, and Duration
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Questions and Answers

What is the primary cause of osteomyelitis?

  • Bacterial infection (correct)
  • Parasitic infection
  • Viral infection
  • Fungal infection
  • Which classification is based on the duration of the disease?

  • Sub-acute
  • Acute
  • Persistent
  • Chronic (correct)
  • What is the typical bone involvement in osteomyelitis caused by hematogenous route of infection?

  • Femur and tibia in children, vertebra in the elderly (correct)
  • Adjacent to soft-tissue infection
  • Lower extremities
  • Bones affected by trauma or surgery
  • What is the main route of infection for osteomyelitis caused by vascular insufficiency?

    <p>Contiguous with vascular insufficiency</p> Signup and view all the answers

    What is the duration threshold that distinguishes chronic osteomyelitis from acute osteomyelitis?

    <p>&gt; 2 months</p> Signup and view all the answers

    Which microorganism is most commonly implicated in causing osteomyelitis?

    <p>Staphylococcus aureus</p> Signup and view all the answers

    What is the most common cause of venous insufficiency?

    <p>Blood clots</p> Signup and view all the answers

    In which age range is venous insufficiency more likely to occur in men?

    <p>40-49</p> Signup and view all the answers

    What is a common risk factor for venous insufficiency?

    <p>Inactivity (sitting or standing)</p> Signup and view all the answers

    What is the most common type of osteomyelitis in children?

    <p>Hematogenous</p> Signup and view all the answers

    Which pathogen is predominantly seen in all types of osteomyelitis?

    <p>S. aureus</p> Signup and view all the answers

    What is the common pathogen seen in osteomyelitis associated with diabetes and/or peripheral vascular disease?

    <p>MRSA, pseudomonas, enterococcus, and enterobacteriace</p> Signup and view all the answers

    What is the common pathogen seen in osteomyelitis associated with IV drug users?

    <p>(Pseudomonas aeruginosa and MRSA)</p> Signup and view all the answers

    What type of infection may lead to E-coli osteomyelitis in the elderly?

    <p>Urinary tract infection (UTI)</p> Signup and view all the answers

    What pathogen is tranlocated from the gastrointestinal tract to seed in the bones of sickle cell patients?

    <p>(Salmonella)</p> Signup and view all the answers

    'In which age group is hematogenous osteomyelitis most common?'

    <p>Children</p> Signup and view all the answers

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