Gout- Sum Flashcards
SUL
4.0. -6.8
> 6.8
Precipitation
Other factors that may influence precipitation of crystals
Low pH
Low temp
Immune response
Predisp to Gout
Obesity, Kidney prob Inc protein diet, alcohol Drugs Genetics CAD Hypothyroidism
Gout most commonly occur
1st MPJ
Hyperuricemia
Overproduction (10%)
1- metab error
2- inc mitosis, inc DNA/RNA, inc purine
Underexcretion (90%)
DEALT
1- hereditary renal tube pro
2- renal failure, drugs(thiazide diuretics, loop diuretics, EtOH, ASA)
Stages of gout
Asymptomatic
Acute
Intercritical
Chronic
Stages of gout
Asymptomatic
Inc urate SL w/o attack
Stages of gout
Acute
Inflam, swelling, erosion,
No tophi
Painful
Sloughing skin
Stages of gout
Intercritical
Time between attacks- 6m- 2yrs after 1st attack
Xray changes -erosive, periarticular calcification
Stages of gout
Chronic
Painful all the time
Tophi w soft tissue swelling
Martel sign ,>5mm erosions
Soft and joint tissues attack ( joint space preserve)
Gout diagnosis
Joint aspiration
Xray
Ultra sound
Labs-CBC, RF, uric acid
Treatment(general)
W/in 24h of attack
Colchicine-1.2->(1 h later) 0.6 =1.8
Indomethacin (NSAID)- 50->(8h) 50; max 200
Corticosteroid - INtra, oral, IM, IV
ACTH -IM
Treatment(prophyl)
Colchicine- 0.6 mg 1-2 tabs daily (until hyperurecemia, no attack for 3-6 m)