Osteomyelitis AOH/ Spetic Arthritis Flashcards Preview

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Flashcards in Osteomyelitis AOH/ Spetic Arthritis Deck (11)
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1
Q

Septic arthritis more common <2years of age after that decreases in incidence. True /False

A

True

2
Q

Most common M/o in AOH/SA

A

Staph aureus be aware increasing MRSA

3
Q

AHO common in children

A

Vascular anantormy. Sluggish blood flow
Phagocytosis decreased and low oxygen sat
Trauma 30%

4
Q

Presentation of AHO

A

Fever 60%
Unwell unhappy child
Acute signs of inflamation of the metaphysis redness warmth swelling POINT BONY TENDERNESS loss of nearby joint function

5
Q

Ix X-rays etc

A

X-rays 10 days to show up
USS subperiosteal abcess adjacent septic arthritis
Bone scan multifocal equivocal neonate difficult spot eg spine/pelvis
MRI if bone scan equivocal other problem

6
Q

Treat AHO with antibiotics high dose iv if not getting better Ix

A

Aspirate for culture
Drainage of abcess
Debridement of dead tissues
Bx dd leukemia/lymphoma

7
Q

Subacute OM. BODYS abcess

A

Delayed diagnosis common slow onset intermittent pain
Generally well bloods normal
Becoming increasing common
DD lymphoma/leukemia

8
Q

Septic arthritis

A
3routes blood AHO, trauma 
Sites knee/hip 70% ankle 13% shoulder 8%
Sign really sick refuse to weight bear severe pain 
High fevers 
Bloods WCC./CRP/ESR elevated
USS very useful effusion Y/N 
Synovical fluids MCS

DD Irritable hip/ reactive arthritis
Treatment is aspiration of joint / IV antibiotics high does

9
Q

Neonates have an immature immune system so in AHO or SA

A

Absent or minimal signs
Septicemia multifocal changes
AHO can quickly spread to SA

10
Q

Treatment of AHO /SA

A

High dose IV antibiotic for 3 days good clinical response

Oral antibiotics for 3-6 weeks

11
Q

DD of acute osteomyelitis

A
Trauma 
Tumor 
Ewings / osteosarcoma 
Leukemia 
Neuroblastoma
Eosinophilia granuloma