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Y2B2 - Musculoskeletal 📗 > Microbiology 🦠 > Flashcards

Microbiology 🦠 Flashcards

1
Q

what is the definition of osteomyelitis?

A

Osteomyelitis means an infection of bone, which can either be acute or chronic

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2
Q

what are the mode of infection by osteomyelitis?

A
  • The bloodstream Direct invasion (via open fractures, surgery, or objects that pierce the bone)
  • Infections in nearby structures, such as natural or artificial joints or soft tissues
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3
Q

what are the causes of osteomyelitis in newborns younger than four months?

A
  • S. aureus
  • Enterobacter species
  • group A and B Streptococcus species
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4
Q

what are the causes of osteomyelitis in children aged between four months and four years?

A
  • S. aureus
  • group A Streptococcus species
  • Haemophilus influenzae
  • Enterobacter species
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5
Q

what Are the causes of osteomyelitis any children or adolscents aged more than 4 years?

A
  • S. aureus (80%)
  • group A Streptococcus species
  • H. influenzae
  • Enterobacter species
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6
Q

what are the causes of osteomyelitis in adults?

A
  • S. aureus
  • occasionally Enterobacter or Streptococcus species
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7
Q

what is the cause of osteomyelitis in sickle cell anemia Patients?

A

Salmonella species are most common in patients with sickle cell disease

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8
Q

what are the most commonly isolated bacterium from old cases of osteomyelitis?

A

Staph aureus

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9
Q

what are the fungal causes of osteomyelitis?

A

The two most common are Blastomyces dermatitidis and Coccidioides immitis

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10
Q

what is the cause of osteomyelitis in intravenous drug users and splenectomized patients?

A

Gram-Negative bacteria, including enteric bacteria, are significant pathogens

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11
Q

what are the risk factors of Osteomyelitis?

A
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12
Q

what is the clinical picture of osteomyelitis?

A
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13
Q

what are the complications of Osteomyelitis?

A
  • Bone abscess (pocket of pus)
  • Bone necrosis (bone death)
  • Spread of infection
  • Inflammation of soft tissue (cellulitis)
  • Blood poisoning (septicaemia)
  • Chronic infection
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14
Q

what is the mode of infection with acute osteomyelitis?

A
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15
Q

what age does acute osteomyelitis affect?

A
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16
Q

what characterizes chronic osteomyelitis?

A
17
Q

what is the most affected sites in acute osteomyelitis?

A
18
Q

what causes chronic osteomyelitis?

A
19
Q

which microbe causes chronic osteomyelitis?

A
20
Q

what is the relation between Tuberculosis and Osteomyelitis?

A
21
Q

morphology of Staph aureus

A
22
Q

culture of Staph aureus

A
23
Q

Laboratory diagnosis of Staph aureus

A
24
Q

how is osteomyelitis treated?

A
25
Q

what is the definition of Skin and soft tissue infections (SSTIs)?

A
26
Q

classification of SSTIs

A
27
Q

what are the Causative organisms of SSTIs?

A
28
Q

what is the mode of transmission of SSTIs?

A
29
Q

pathogenesis of SSTIs

A
30
Q

what is the clinical picture of SSTIs?

A
31
Q

diagnosis of SSTIs

A
32
Q

what is the most common organism causing SSTIs?

A
33
Q

morphology of clostridium perfringens

A
34
Q

culture of clostridium perfringens

A
35
Q

Laboratory diagnosis of clostridium perfringens

A
36
Q

treatment of clostridium perfringens

A

Y2B2 - Musculoskeletal 📗 (8 decks)

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