Rheumatology 1 Flashcards
ANCA are associated with which type of disease?
Give three examples
Small vessel vasculitis
1. Granulomatosis with polyangitis (Wegener’s)
2. Eosinophilic granulomatosis with polyangitis (Churg-Strauss)
3. Microscopic polyangitis
Type of ANCA
Granulomatosis with polyangitis/ Wegener’s?
cANCA
Type of ANCA
Eosinophillic granulomatosis/ Churg Strauss?
pANCA
Type of ANCA
Microscopic polyangitis?
pANCA
Other pANCA conditions (4)
UC (70%)
PSC (70%)
AntiGBM (25%)
Crohn’s (20%)
Ankylosing spondylitis HLA
HLA B27
What is Schober’s test?
a line is drawn 10 cm above and 5 cm below the back dimples (dimples of Venus). The distance between the two lines should increase by more than 5 cm when the patient bends as far forward as possible
Features of ank spond (7)
Apical fibrosis
Anterior uveitis
Aortic regurgitation
Achilles tendonitis
AV node block
Amyloidosis
Cauda equina
Ank spond O/E: (3)
Reduced lateral flexion, forward flexion, chest expansion
Ank spond Ix of choice
If negative then which Ix
Plan XR - sacroiliac joints
MR
Findings on sacroiliac joint (4) and CXR (1) for ank spond
MR findings (1)
Bamboo spine
Sacroilitis
Subchondral erosions
Syndesmophytes
Apical fibrosis
Bone marrow oedema
Ank spond Mx (4)
Exercise e.g swimming
NSAIDs
Physio
DMARDS if peripheral joint involvement
Features of antiphospholipid syndrome (5)
Recurrent fetal loss
Recurret VTE/ arterial thrombosis
Thrombocytopenia
Prolonged APTT
Livedo reticularis (mottled skin)
Antiphospholipid syndrome is associated with which condition?
SLE
Antiphospholipid syndrome Mx
Primary thromboprophylaxis
Secondary
INR range
Recurrent VTE mx (2)
Primary thromboprophylaxis: Low dose aspirin
Secondary thromboprophylaxis:
Initial VTE or aterial: warfarin INR 2-3
Recurrent VTE INR 3-4 + aspirin
Which test should be used to check for azathioprine toxicity?
TPMT test
Triad of symptoms for Behcet’s syndrome?
Oral ulcers
Genital ulcers
Anterior uveitis
Behcet’s
What is it?
Ethnicity
Gender
Age
HLA
Automimmune vasculitis all sizes large, medium and small vessel
Turkish
M>F
20-40yo
HLA B51
What it the pathergy test?
Puncture site following needle prick becomes inflamed with small pustule forming/ ulcer formation = test for Behcet’s
Bisphosphonates counselling
‘Tablets should be swallowed whole with plenty of water while sitting or standing; to be given on an empty stomach at least 30 minutes before breakfast (or another oral medication); patient should stand or sit upright for at least 30 minutes after taking tablet’
When do you stop bisphosphonates? (3)
Stopped after 5 years if:
Patient <75yo
Femoral neck T score >2.5
Low risk FRAX
Osteoporosis
Ca
Phos
ALP
PTH
Ca normal
Phos normal
ALP normal
PTH normal