Rheumatology 3 Flashcards
Pseudogout
What type of crystals
Age
Calcium pyrophosphate crystals
>60
Pseudogout RF (5)
Haemochromatosis
Hyperparathyroidism
Mag and phos low
Acromegaly
Wilson’s disease
Pseudogout joint aspiration findings
Positively birefringent rhomboid shaped crystals
Pseudogout joints affected
XR finding
Mx (3)
Knee, shoulders, wrist
XR chrondocalcinosis
Mx NSAIDs, IM/intra-articular/ PO steroids
Psoriatic arthropathy signs (5)
Skin (1)
Feet (3)
Nails (1)
Psoriatic plaques
Achilles tendonitis
Plantar fascitis
Dactylitis
Onycholysis + pitting of the nails
XR typical sign psoriasis
Pencil in cup appearance
Mx psoriatic arthropathy (3)
Secondary care
1. NSAIDs +/- DMARDs
2. Monoclonal antibodies
Raynauds
Age and gender
Unilat or bilat
Young women e.g 30yo
Bilateral
Secondary causes of Raynaud’s (6)
Scleroderma
ReaA
SLE
Leukaemia
OCP
Cervical rib
Mx Raynaud
Secondary care referral
1. Calcium channel blocker e.g nifedipine
2. IV prostacyclin
Reactive arthritis HLA
Classic triad
Onset
How long do symptoms last?
Another symptom
HLA B27
Conjunctivitis, urethritis, arthritis
Symptoms develop within 4 weeks post an infection
6 months
Dactylitis - inflammation of a digit
Skin condition associated with reactive arthritis (2)
Circinate balanitis (painless vesicles on the head of the penis)
Keratoderma blenorrhagica (waxy yellow/brown papules on palms and soles)
What is Felty’s syndrome?
RA + splenomegaly + low white cell count
Classification criteria for RA (4)
Score needed
6/10
Joint involvement, serology (RhF or anti-CCP), acute phase reactants (CRP or ESR), duration of sx >6/52
MTX SE (3)
Myelosuppression
Pneumonitis
Liver cirrhosis
Sulfasalazine SE (4)
Heinz body anaemia/ myelosuppresion
ILD
Oligospermia
Rash - Steven Johnson syndrome
Can stain tears/ contact lenses
Leflunomide SE (1)
HTN
Hydroxychloroquine SE (2)
Retinopathy
Corneal deposits
Penicillinamine SE (1)
Exacerbation of myasthenia gravis
Etanercept SE (2)
Demyelination
Reactivation of TB
RA Mx long term
Acute
Monitoring response to treatment (2)
Long term
1. DMARD (MTX) +/- bridging pred
Acute pred
DAS28/ CRP
Examples of DMARDs (4)
MTX
Sulfasalazine
Leflunomide
Hydroxychloroquine
2nd line treatment of RA
Examples (3)
If no response to x2 DMARDs
TNF inhibitors
Etanercept, infliximab, adalimumab
RA XR (5)
Loss of joint space
Juxta-articular osteoporosis
Soft tissue swelling
Periarticular erosions
Subluxation
Name the rotator cuff muscles and function
Supraspinatus abducts arm before deltoid
Infraspinatus rotates arm laterally
Teres minor adducts and rotates arm laterally
Subscapularis adducts and rotates arm medially
Sjorgren’s serology (3)
Anti Ro La
ANA 70%
RhF 50%
What is Sjojren’s?
Primary and secondary
Gender
Increased risk of?
Autoimmune disorder affecting exocrine glands - resulting in dry mucosal surfaces
Secondary to RA where it develops 10 years after initial onset
F>M
Lymphoid malignancy
Features Sjogren’s (6)
Dry eyes - keratoconjunctivitis sicca
Dry mouth
Vaginal dryness
Arthralgia
Raynauds
Recurrent episodes of parotitis
Sjogren’s Mx (2)
Artificial saliva and tears
Pilocarpine
Sulfasalazine pregnancy and breastfeeding?
Safe in pregnancy and breastfeeding
SLE
Gender
Ethnicity
F>M
Afro-Carribean
Features SLE (5)
Malar rash
Discoid rash - scaly, well demarcated rash in sun exposed areas
Photosensitivity
Livedo reticularis
Raynauds
SLE serology (3)
ANA
anti-dsDNA specific
anti-Smith
Monitoring in SLE (3)
ESR
Low C2, C4 during active disease
anti-dsDNA
What is systemic sclerosis?
Classification
Gender
Hardened, sclerotic skin
F>M
Limited - face and distal limbs
Diffuse - trunk and proximal limbs
Limited systemic sclerosis
First sign
Which areas?
Antibodies
Extra
Raynauds
Distal limbs and face
Anti-centromere
CREST - calcinosis, Raynauds, oesophageal dysmotility, sclerodactyly, telangiectasia
What is CREST?
Which disease is it a subtype of?
Limited systemic sclerosis
CREST - calcinosis, Raynauds, oesophageal dysmotility, sclerodactyly, telangiectasia
Systemic sclerosis antibodies
General
Limited
Diffuse
ANA 90%
anti-centromere limited
Scl 70 diffuse
What is scleroderma?
Tightening of the skin without internal organ involvement
Diffuse systemic sclerosis
Location
Antibodies
Most common cause of death
Organ involvement
Prognosis
Trunk and proximal limbs
Scl 70
ILD and pulmonary arterial hypertension
Renal and HTN
Poor
Osteoporosis mx
Steroids >65
Steroids <65
Fragility fracture >75
Fragility fracture <75
Women >65
Men >75
>40yo with RF
<40yo RF
- On steroids over 65 - treat
- On steroids under 65 - DEXA
- Fragility fracture + over 75 - treat
- Fragility fracture + under 75 - DEXA
- Frax assessment for: a) all women over 65, b) men over 75, c) >40yo with risk factors
- Younger patients under 40 with major risk factors - DEXA