137 - Monoarthritis + Gout Flashcards

1
Q

What is monoarthritis?

A

Inflammation of one joint

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2
Q

What can cause monoarthritis? (6 causes)

A
Infection - septic arthritis
Trauma
Gout/crystal arthritis
Reactive arthritis
Haemarthritis
Sero-negative arthritis
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3
Q

What is haemarthritis, in whom would you expect to see it most?

A

Joint distended by blood

Seen in people with haemaphilia

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4
Q

What is sero-negative arthritis? What is its other name?

A

Spondyloarthritis
Inflammation of a joint but without rheumatoid factor antibody.
eg. from psoriasis, ankylosing spondylitis, uveitis

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5
Q

What investigations can you do for an inflamed joint?

A

Bloods: FBC, U+E, CRP, Blood culture,
Aspirate joint - Urgent gram stain. MC+S, crystal analysis.
X-ray

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6
Q

What is septic arthritis?

A

Acute inflammation of the joint by a direct infection.

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7
Q

What infections commonly cause Septic arthritis?

A

Bacterial - gonococcus, Staph aureus, Streptococcus
Myobacterial - TB
Fungal and viral is rare

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8
Q

Who is likely to get septic arthritis?

A

Any age
Predisposing factors are: prosthetic joint, immunosupression, elderly, diabetes, RA, Joint damage previously, IV drug abuser (gives extra source for infection).

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9
Q

What signs catagorise septic arthritis?

A

Sudden acute onset
Pain - difficulty weight bearing
Swelling
Erythema

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