Macleod's I Flashcards

1
Q

What is the term used to describe joint pain?

How about muscle pain?

A

Arthralgia is joint pain.

Myalgia is muscle pain.

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2
Q

What is keratitis?

A

Inflammation of the cornea

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3
Q

What is haemarthrosis?

A

Haemarthrosis is bleeding into the affected joint

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4
Q

Describe bone pain

A

Bone pain is characteristically penetrating, deep or boring, and is worse at night.

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5
Q

What does localised pain suggest?

A

Localised pain suggest tumour, osteomyelitis (infection), osteonecrosis or osteoid osteoma (benign bone tumour)

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6
Q

Define “podagra”

A

Gout of the foot, especially the big toe.

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7
Q

What is gout?

A

Gout is a form of inflammatory arthritis characterised by recurrent attacks of the red, tender, hot and swollen joint. It is due to elevated levels of uric acid in the blood.

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8
Q

What are tophi?

A

Tophi are hard, painless deposits of uric acid crystals.

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9
Q

What will excessive tophi result in?

A

Chronic arthritis due to bone erosion.

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10
Q

What will prolonged elevated level of uric acid lead to?

A

Elevated levels of uric acid may lead to crystals precipitating in the kidneys, resulting in stone formation and subsequent urate nephropathy.

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11
Q

Describe fractured pain

A

Fractured pain is sharp and stabbing, aggravated by attempted movement or use, and relieved by rest and splintage

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12
Q

Define Oligoarthritis and Polyarthritis.

A

Oligoarthritis is the involvement of 2-4 joints.

Polyarthritis is the involvement of >/- 5 joints.

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13
Q

Give 2 conditions which are metabolic causes of polyarthritis

A

Haemochromatosis and gout

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14
Q

Who are more at risk of gout?

A

Older males
Patients with metabolic syndromes such as hypertension, abdominal obesity, insulin resistance and abnormal lipid levels.
Medications such as diuretics, immunosuppressive drugs (ciclosporin and tacrolimus)

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15
Q

What is the management and treatment of chronic gout?

A

Low-purine diet (less meat), avoid alcohol, medications such as Allopurinol (Zyloprim) or Febuxastat (Uloric)

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16
Q

What are the mechanism of action of Allopurinol and Tacrolimus?

A

Allopurinol is used to prevent the formation of xanthine oxidase which breaks down purine.

17
Q

What is the level of uric acid in the body that is aimed for in treatment?

A

<6.5mg/dL

18
Q

What is the treatment for acute gout?

A

NSAIDs (Diclofenac sodium 75-150MG daily in 2-3 divided doses).
Colchicine is an alternative for patients whom NSAIDs are contraindicated.
Steroids can also be used

19
Q

Describe what the crystals in gout looks like in polarised light microscopy of synovial fluid

A

Birefringement, needle-shaped morphology

20
Q

What is the alternative drug if Allopurinol is contraindicated

A

Febuxostat 80MG OD

21
Q

Which NSAID should not be given for acute gout?

Explain.

A

Aspirin.

Aspirin is known to elevate uric acid levels.