MSK Flashcards

(41 cards)

0
Q

What age is transient synovitis most common?

A

3-10 yeah olds

Toddlers and young children

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1
Q

What is transient synovitis?

A

Inflammation of the synovium in the hip following a recent viral infection, may also have joint effusion but this is harmless

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2
Q

How does transient synovitis present differently to septic arthritis?

A

Trans. Synovitis the child is systemically well and probably afebrile

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3
Q

What are the most common bacteria to cause septic arthritis?

A

Staph A

Strep Pyogenes

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4
Q

How do bacteria reach the joint capsule in septic arthritis?

A

Haematogenous spread or through adjacent osteomyelitis

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5
Q

What is arthralgia?

A

Joint pain

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6
Q

What age group does osteomyelitis tend to present?

A

Infants and toddlers

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7
Q

Where in the bone does osteomyelitis commonly affect?

A

Metaphysis

Usually of long bones (femur/tibia)

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8
Q

What condition can predispose to osteomyelitis? What organism may be seen then?

A

Sickle cell disease

Salmonella

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9
Q

What is perthes disease?

A

Avascular necrosis of the femoral head

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10
Q

What age group in perthes disease seen in?

A

6-12 yo

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11
Q

What age group does slipped upper femoral epiphysis seen in?

A

10-16 yo

Overweight teenagers

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12
Q

What is reactive arthritis?

A

Sterile Arthritis that occurs after a bacterial or viral infection thought to be autoimmune

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13
Q

What are the two main causes of haemoathrosis in children?

A

Haemophilia and trauma

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14
Q

How many joints does

  • oligoarthritis
  • polyarthritis

affect?

A

Oligo - 4 or less joints

Poly - 5 or more

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15
Q

How longs are symptoms have to last to diagnose JIA?

A

6 weeks

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16
Q

In septic arthritis of the hip what position is the leg commonly in?

A

Flexed that the hip, abducted and externally rotated

17
Q

What is plagiocephaly?

A

Asymmetry of the skull usually on one side from sleeping position

Resolves in first few years

18
Q

What antibiotics can be used to treat septic arthritis?
How long is the course?
How long IV?

A

IV Cephuroxime or IV flucloxacillin
14 days
At least 3 days IV

19
Q

What are the potential complications of the treatment of developmental dysplasia of the hip?

A

Necrosis of the femoral head

20
Q

In JIA oligoarthritis where elbows and knees are affected what eye condition is associated with this?

A

Anterior uveitis

21
Q

Which JIA is most likely to be associated with ANA?

A

Oligoarthritis

22
Q

Which JIA is more common in girls under the age of 6?

A

Oligoarthritis

23
Q

Which JIA is more common in older girls?

A

Polyarticular

24
What other symptoms would you see in systemic JIA?
Fever | Salmon pink rash
25
How long is the fever present in systemic JIA?
2 weeks
26
What is affected in enthesitis related arthritis?
Inflammation where a tendon or ligament inserts into bone
27
What joint is usually tender in enthesitis?
Sacroiliac joint
28
What is the maximum age to be diagnosed with JIA?
16
29
What is the most common type of JIA?
Oligoarticular
30
How common is JIA?
1-2/1000
31
When counting the number of joints affected in JIA what time frame do you use?
Within the first 6 months
32
What is a quotidian fever? Which type of JIA is is associated with?
A fever that peaks once a day
33
Is JIA more common in females or males?
Females
34
Is oligoargicular JIA is it more common the present with stiffness or pain?
Stiffness and reduced movements due to a swollen joint
35
Apart from systemic JIA what other JIA might you get fever, splenomegaly, hepatomegaly and serositis?
Polyarticular RF positive (5% of JIAs - rf negative is more common)
36
How is JIA diagnosed?
It is a clinical diagnosis
37
What is the most common cause of osteomyelitis?
Staph aureus
38
How longs after the onset of osteomyelitis can an X-ray appear normal for?
1 week
39
What drug treatment can be given in JIA?
NSAIDs for the pain Intraarticular steroid injections Systemic steroids Methotrexate - for multiple joints
40
What non pharmacological management can be used in JIA?
Physiotherapy Physical activity OT