Gout, Raynaud's, Fibromyalgia Flashcards
what does gout result from?
deposition of uric acid crystals in joints, tissues (tophi) and fluids w/in the body/joints
what is uric acid a metabolic product of?
metabolism of purines
is hyperuricemia the SAME as gout?
NO!!!
does asymptomatic hyperuricemia need to be treated?
NO!!!
whats the MOST COMMON arthropathy in the US?
Gout
what comorbidities is gout seen with?
obesity, HTN, DM, hyperlipidemia
gout can increase risk for having what?
MI
what is the biggest problem with gout?
underexcretion
causes of under excretion of uric acid?
genetics (primary hyperuricemia)
dehydration
renal disorders (renal insufficiency or decr GFR)
low dose ASA, thiazides, B-blockers, nicotinic acid
Lead nephropathy
non-modifiable risk factors of gout?
male, AA, advanced age, Pacific islanders
modifiable risk factor of gout?
alcohol and high purine food ingestion, obesity, HTN, diuretic use (HCTZ)
classic presentation of gout?
Podagra
-PAIN OUT OF PROPORTION IN BIG TOE (can’t walk or put sheet over it)
sx’s of gout
- Podagra (Classic)
- joint swelling (1 joint)
- EXTREMELY TENDER
- REDNESS
- at night, awakens from sleep
what joints does gout occur in?
feet, ankles, knees
renal sx’s of gout?
uric acid stones, gouty nephritis (interstitial deposits)
PE of gout
- monoarticular arthritis, TTP
- skin warm, tense, dusky red
- CHRONIC: TOPHI
- Functional loss (Functio laesa)
dx of gout
ARTHROCENTESIS
NEGATIVE BIREFRINGENCE
what do you see on arthrocentesis that is DIAGNOSTIC for gout?
Intracellular uric acid crystals
24hour urine for underexcreters for gout will be what level?
normal level
24hour urine for overproducers for gout will be what level?
elevated level
what will be the uric acid level for someone with gout? is it diagnostic?
uric acid >6.8 (elevated)
NOT DIAGNOSTIC
4 categories for gout tx
anti-inflammatory for ACUTE ATTACK
anti-inflammatory PPX for prevention of recurrences
anti-hyperuricemia (urate-lowering) therapy for PREVENTION and REVERSAL OF THE CONSEQUENCES of rate crystal deposition
FIRST LINE tx for gout? when do you initiate therapy?
NSAIDs - initiate w/in 24hrs
which NSAID works best for gout?
Indomethacin
SECOND LINE tx for gout?
Colchicine
THIRD LINE tx for gout?
Corticosteroids (r/o infection first)
when do you start chronic tx for gout after an acute attack?
2-4 weeks after acute attack, start tx after recheck for uric acid level
what fruit reduces gout attacks?
cherries
what is pseudogout? more/less common than gout?
chondrocalcinosis
-less common than gout
deposition of what in pseudogout?
Ca pyrophosphate hydrate (CPPD) deposition
where does pseudogout mostly occur in the body? age?
knee
age >60 y/o
pseudogout risk factors?
hypercalcemia
sx’s of pseudogout?
acute, can be asx’s
MONOARTICULAR
can resolve on own
pseudogout often co-exists with what disease?
OA
what sx is possible in pseudogout that ISN’T in gout?
fever
dx of pseudogout?
POSITIVE BIREFRINGENCE, rhomboid crystals
elevated ESR and CRP
PE of pseudogout
red, warm, tender, swollen, asx’s
valgus deformity of knees highly suggestive of underlying CPPD
what deformity is knees is highly suggestive of underlying CPPD?
valgus deformity
dx criteria for CPPD?
- CPPD crystals
- Synovial fluid CPPD crystal deposition
what is DIAGNOSTIC for pseudogout?
radiographic findings of joint cartilage calcified and calcium deposits in joint spaces
x-rays for pseudogout?
AP knee, AP pelvis, PA hands, PA wrist
tx for acute pseudogout?
NSAIDs, colchicine (short-term), steroids (short-term), drain fluid, rest, ice
definition of chronic pseudogout?
> 3 attacks/year
FIRST LINE tx for chronic pseudogout?
colchicine is useful with frequent attacks
SECOND LINE tx for chronic pseudogout?
NSAIDs
what is fibromyalgia?
chronic pain d/o
widespread pain and allodynia w/multiple tender points
what is allodynia?
pain d/t a stimulus which doesn’t normally provoke pain
fibromyalgia is NOT explained by___
Must r/o what first?
any other rheumatic or systemic d/o
MUST R/O OTHER D/O’S FIRST!!!
what is fibromyalgia d/t?
increased response to stimulation from amplification or increased signaling in the CNS
CENTRAL SENSITIZATION
what gender and age for fibromyalgia?
women 20-50
pts with fibromyalgia have increased incidence of ___
depression, anxiety, HA, IBX, chronic fatigue syndrome, SLE, and RA
what may trigger/activate fibromyalgia sx’s?
physical and/or emotional stressors
- psychological trauma
- psychological distress
- sensitization of the pain system
sx’s of fibromyalgia?
persistent widespread pain and abnormal tenderness, fatigue, sleep, and autonomic disturbances
imaging for fibromyalgia? is it diagnostic?
NOT DIAGNOSTIC
MRI -> increased CNS activity that corresponds to FM subjective pain
-increased regional cerebral blood flow with response to pain
describe fibromyalgia pain
widespread pain, multiple tender points
Moderate to severe intensity that fluctuates, worse in AM and before bed and with cold, stress, new exercise
other sx’s of fibromyalgia besides pain?
fatigue or difficulty sleeping
hx of depression
psychological and neuropsych sx’s (anxiety, mental distress, cognitive dysfunction)
fibromyalgia PE
tender muscles at 11 points
NO swelling, NO erythema
fibromyalgia is a diagnosis of ___
exclusion
dx for fibromyalgia?
WBC, Anemia, Vit D level (for fatigue), TSH
Sleep study
Imaging (MRI, Radiographs)
non-pharmacologic tx of fibromyalgia?
Cognitive behavior techniques
-helps with pain, coping skills, relaxation techniques
Exercise
- based on tolerance, if pain then modify workout (DON’T STOP)
- weight reduction w/nutrition counseling
1ST LINE med tx for fibromyalgia?
Tylenol or Tramadol; or Tylenol+Tramadol (Ultracet)
what meds should you NOT use to treat fibromyalgia?
narcotics or steroids
2ND LINE med tx for fibromyalgia? careful with what for these?
TCAs (amitriptyline, nortriptyline)
-careful with them if they have a hx of depression b/c of suicidal ideations
3RD LINE med tx fo fibromyalgia?
SNRIs (duloxetine)
SSRIs (fluoxetine, citalopram)
Cyclobenzaprine
Antiepileptics (Gabapentin)
which meds for fibromyalgia have the best efficacy with fibromyalgia?
TCAs
what is Raynaud’s phenomenon precipitated by?
cold exposure or stress
which Raynaud’s (primary or secondary) is associated with a cause?
Secondary Raynaud’s
Raynaud’s is common with people with what diseases?
connective tissue diseases (I.e. scleroderma)
what is CREST syndrome?
Calcinosis, Raynaud’s phenomenon, Esophageal Dysmotility, Sclerodactyly and Telangiectasia
what drug may cause Raynaud’s?
beta-blockers
PE of Primary Raynaud’s?
normal b/w attacks
PE of Secondary Raynaud’s?
pits or ulcerations on the fingertips may be present in pt’s with scleroderma, CREST syndrome or thromboangiitis obliterans
dx of Raynaud’s
based on pts description of attacks
in primary Raynaud’s vasospastic attacks are precipitated by exposure to cold or emotional stimuli and there is BILATERAL involvement of extremities w/out gangrene
tx for Raynaud’s
mild attacks - reassurance for the pt and how to prevent attacks
mittens better than gloves
AVOID SMOKING B/C VASCOCONSTRICTOR
BB’s may exaggerate sx’s
what is the MOST EFFECTIVE med for tx of Raynaud’s?
CCB’s (amlodipine and nifedipine)