GOUT Flashcards

1
Q

what causes GOUT

A

the accumulation of monosodium urate crystals in and around the joints.

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1
Q

define GOUT

A

A type of arthritis where urate crystals are deposited in joints, and it is associated with high uric acid levels in the blood.

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2
Q

what is GOUT characterised by

A

sudden, severe attacks of pain, swelling, redness, and tenderness in the joints.

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3
Q

what is the most common inflammatory arthritis in the UK

A

GOUT

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4
Q

non modifiable risk factors for GOUT

A
  • Male sex
  • Age >50
  • Family history
  • Overproduction of uric acid.
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5
Q

modifiable risk factors for GOUT

A
  • Obesity
  • Hypertension
  • CKD
  • Diabetes
  • High purine diet (meat and seafood)
  • Medications (thiazides, ACEi, asprin)
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6
Q

what is the impact of GOUT triggers

A

Gout has several triggers/precipitating factors that can cause an acute flare, usually due to production of uric acid.

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7
Q

give 6 triggers for GOUT

A
  • Seafood/protein binges
  • Chemotherapy
  • Trauma and surgery
  • Alcohol excess (PURINES)
  • Intercurrent illness
  • Medications (interfere with uric acid)
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8
Q

signs and symptoms of gout

A
  • Excruciating, sudden, burning pain in the affected joint
  • Swelling, redness, warmth, and stiffness in the affected joint
  • Asymmetric joint distribution
  • Mild fever
  • Tachycardia (sympathetic response to an acute attack)
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9
Q

which food is anti GOUT

A

dairy

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10
Q

does GOUT affect one joint or multiple

A

one - it is monoarticular

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11
Q

how is monosodium urate formed

A

purines –> uric acid –> monosodium urate

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12
Q

which joint does gout most commonly affect

A

the base of the big toe - metatarsophalangeal joint

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13
Q

other jounts commonly affected by gout

A
  • wrists
  • bases of thumb (carpometacarpal joints)
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14
Q

give 4 investigations for gout

A
  1. joint aspirate
  2. serum uric acid level
  3. x rays
  4. ultrasound
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15
Q

what does joint aspiration & polarised light microscopy for gout show

A
  • needle like negative birefringent crystals
  • monosodium urate crystals
  • no bacterial growth
16
Q

what does serum uric acid level show for gout

A

high level indicates diagnosis

17
Q

what does x ray of affected joint for gout show

A

punched-out erosions

18
Q

what does ultrasound of affected joint for gout show

A

double-contour sign

19
Q

first line treatment for acute flares of gout

A

NSAIDS (+PPI) - FIRST LINE

20
Q

second line treatment for acute flares of gout

A

Colchicine - SECOND LINE

21
Q

third line treatment for acute flares of gout

A

Oral Steroids - THIRD LINE

22
Q

3 ways to prevent gout

A
  1. Xanthine oxidase inhibitors (lower the uric acid levels)
    • Allopurinol
    • Febuxostat
  2. Medication reviews (some may cause hyperuricaemia)
  3. Lifestyle changes/avoiding triggers can also reduce the risk of gout.
23
Q

which patients is colchicine given to

A

those who cannot have NSAIDS

24
Q

side effect of colchicne

A

diarrohea

25
Q

which dietary changes reduce gout risk

A

reduce purines, increase dairy

26
Q
A