Rheum Flashcards
What are red flags forr back pain
Age (<20 or >55)
Sphincter disturbance
Recet / current infection
Malignancy
Morning stiffness
COnstant or progressive pain
Neuro disturbance
Bilareral / alternating leg pain
FLAWS
Thoracic back pain
Nocrturnal pain
Ix for lower back pain
MRI only if suspected malignancy / fracture, infection, ask spond
NEVER XR
how do you manage lower back pain
- conservative: physical acrivity and exercise
- medical: NSAID + PPI
consider group exercise programme, manual therapy, radiofrequency denervation, epidural injections
What is RA
chronic inflammatory disease characterised by SIMMETRICAL DEFORMING POLYARTHRITIS
What is epidemiology like in RA
smokers
F>M
middle aged
sx of RA
swollen painful small joints in hands and feet
ulnar deviation of MCPs and radial deviation at wrist
Morning stiffness, better with exercise
late fts of RA (pathomnemonic=
Swan neck
Boutonierre
Z thumb
Ulnar deviation at MCP
What is a boutonniere deformity
PIP is flexed
DIP is hyperextended
What is a swan necjk deformity
PIP is hyperextended
DIP is flexed
What are bedside Ix for RA
DAS 28 (disease activity score 28)
Squeeze test postive
why is the DAS 28 called that?
because there are 28 bones in the hand
what is thhr squeeze test
discomfort squeezing across the MCPJ or MTPJ
Bloods for RA
FBC(anaemia, low PMN, high platelets)
Raised ESR, CRP
RhF +
anti-CCP +
ANA +
which is the most specific and sentitive antibody for RA
anti-CCP
What antibody correlates severe progressive diseasse?
RhF
what imaging should you get for RA
XR
USS (synovitis)
MRI
CXR
What do you need to monitor in RA
CRP
DAS28
Tender and swollen Joint Count
How do you manage RA
DMARD monotherapy + bridging prednisolone short course
What are DMARDD medication examples
methotrexate, sulfasalazone
what investigations should you get often if on methotrex
regular FBC and LFT (risk of myelosuppression and liver cirrhosis)=
how do you treat RA flare
CORTICOSTEROD + NSAID
what is driving process behind RA
Autoinflamm!
What are RA findings on radiographh
LESS
loss of joint space
Erosions (periarticular)
soft tissue deformity
sublazation and deformity
Whhat is driving process behind OA
mechanical wear and tear
what age group is OA most common
elderlhy
what joints are affecte in OA
weightberaring joints (knee, hip)
Hands: CMC, DIP, PIP
what joints are affected in RA
Hands (MCP, PIP)
What is pain like in OA
pain following use (because this is mechanical wear!!)
pain improves with rest
unilateral
systemically well
what is pain like in RA
morning stiffness
pain improves with use
bilateral
systemic unwell
what are XR findings in OA
LOSS
loss of joint space
osteophytes
subchondral sclerosis
subchondral cysts
what is the aetiology of gout
monosodium urate (MSU) crystal deposition in and around the joints
this causes erosive arthritis
what can precipitate a gout attack
surgery
infection
fasting
diuretics
who is gout common in
men
with HTN, IHD, metabolic syndrome
what are causes of gout
drugs (diuretics, aspirin, cytotoxics)
decreased urate extretion (renal impairment)
increased cell turnover (lymphoma, leukaemia, psoriasis, haemolysis)
Alcohol excess
Purine-rich food (beef, llamb, pork, seafood)
S/S gout
MONOARTHRITIS
(usually on first MTP)
Tophi (urate in pinna and tendons)
radiolucent kidney stones
iinterstitial nephritis
what ix should you get in gout
serum urate (high or normal)
XR (shows late findings of punched out erosions “RAT BITES” and reduced joint space)
Fine needle aspiration and polarised light microscopy (negatively birefringent, needle shaped crystals)
how do you manage gout ACUTE ATTACK
ACUTE attack: Colchine, NSAID
if renal impairment: steroids
follow up in 4-6 weks
what are contreaindications of NSAIDS
warfarin
PUD
HF
CRF
How do you manage CHRONIC gout
Conservative: WL, avoid alcohol
Urate lowering therapy: allopurinol (xanthine oxidase inhibitor)
what is psudogout caused by
calcium pyrophosphate crystals
what joints ar affected by pseudogout
BIGGER joints (knee, wrist, hip)
What will needle aspiration show for pseudogout
positively birefringent, needle shaped crystals
how do you manage pseudogout
analgesia
NSAIDS
steroids
what are the four seronegative spondyloarthropathies
psoriatic arthritis
enteropathic arthritis
alkylosing spondylitis
reactive arthritis
what are seronegative spondyloarthropathies
inflammatory arthritis affecting spine and peripheral joints
with NO RhF production
HLA B27 assdociation
What is alk spond sx
back pain, relieved by exercise
morning stiffness
costochondritis (anterior chest pain)
SOB (pulm fibrosis)
eye pain
osteoporosis
what is alk spond associated with
AAAAAA
Anterior uveitis
Apical lung fibrosis
aortic regurg
AV node block
Achilles tendonitis
Amyloidosis
who will alk spond occur in
YOUNG MEN
what exam can you do for alk spond
Schober’s test - mark L5, place a finger 5cm above and 5 cm below the mark, get them to bend over
if there is less than a 5cm increase >POSITIVE for AlkSpond
What ix can you get for ALkSpond
XR
MRI
HLA-B27 testing
ESR, CRP (non specific)
what changes do you see on XR / MRI spine for alkspond
sacroilitis
sclerosis
ankylosis (fusion)
bamboo spine (squaring of lumbar vertebrae)
how do you manage alkspond
conservative (exerciis / physio)
medical (NSAID > anti-TNFa)
surgical (hip replacement to decrease pain and increase mobility
what is psoriatic arthritiis
Psoriasis
Nail changes - pitting, onycholysis, subungal hyperkeratosis
Enthesitis
Dactylitis (swollen sausage finger)
Arthritis (usually of DIPJ)
mx psoriatic arthritis
NSAID > methotrex
what is Reiter’s / Reactive arthritis
sterile arthrisis 1-4 weeis after urethritis (chlamydia) or dysentry (campylobacter)
sx of reactive arthritis
can’t see
can’t pee
can’t cliimb a tree
so: conjunctivitis, urethritis, oligoarthritis in LL
also circinate balanitis, keratoderma blenorrhagicum
ix Reactive arthritis
raised ESR, CRP
stool culture if diarrhoea
urine test chlamydiia
mx Reactive arthritis
NSAIDS
PO steroids
Behcet’s disease in whom
mediterranean, turkish, japanese
S/S behcet disease
recurrent oral and genital ulceration, uveitis, erythema nodosum, VTE
Sjogren syndrome sx
dry eyes
bilateral parotid swelling
decreased salivation, xerostomia
vaginal dryness
ix for Sjogrens
Schirmer’s test
Antibodies (anti Ro, anti La, RhF)
Mx sjogrens
artificial tears, saliva replacement
NSAID/hydroxychloroquine
SLE symptoms
SOAP BRAIN MD
seroritis
oral ulcers
arthritis
photosnsitivity
blood counts all low
renal damage (proteinuria, haematuria)
ANA high
immunological (anti dsDNA, AIHA)
neurological (psych sx, seizures)
what condition does antiphospholipid syndrome often occur with
occurs with SLE in 30% of cases
How does APS present
Thrombi
Thrombocytopoenia
Antibodies
Also:
livedo reticularis
recurrent miscarriage
how do you manage APS
low dose aspirin if no prior VTE
warfarin if prior VTE
what antibodies are raised in APS
anti-cardiolipin
lupus anticoagulant
what antibodies ix must you do if suspecting lupus
ANA (most sensitive, poorly specific)
anti-dsDNA
anti-smith
RhF
how do you monitor SLE disease
anti-dsDNA titers (marker of disease activity)
C4 reduction (moderate activity) > C3 wrduction (very active lupus)
ESR lvels
how do you mansage SSLE
FLARES: prednisolone + IV cyclophosphamide
MAINTAINANCE: hydroxychloroquine + DMARD
what are the five fts of limited systemic sclerosis
CREST
calcinoosis
raynauds
oesophageal dysmotility
sclerodacyly
telangectasia
what are fts of diffuse scleroderma
diffuse skin involvement beyond wrists, up the arms
diffuse organ fibrosis:
- GI (GOR, aspiration, dysphagia, anal incontinence)
- Lung (fibrosis, pul HTN)
- cardiac (arrythmia)
- renal (acute HTN crisis)
antibodies for systemic sclelrosis
Limited: anti-centromere
Diffuse: anti-SCL70, anti topoisomerase
what is polymyositis
inflammation of skeletal muscle
polymyositis sx
progressive proximal muscle weakness
with myalgia and arthralgia
wasting of shoulder and pelvic girdle
dysphagia, dysphonia, resp weakness
what can trigger polymyositis
paraneoplastic tumour
whhat is dermatomyositis
polymyositis + skin signs
what skin signs do you get with dermatomyositis
priorbital heliotrope rash (worse in sunlight)
gottron’s papules
mechanic hands (painful rough skin)
what ix do you gt for myositis
RAISED CK (1000s)
AST, ALT, LDH raised
EMG
Biopsy (definitive)
Antibodies (anti-Jo1, Anti-Mi2, anti-SRP)
MALIGNANCY screen
give examples of two large vessel vasculitis
GCA
Takayasu
give examples of two medium vessel vasculitis
Polyarteritis nodosa
Kawasaki disease
give examples of two small vessel vasculitis
Churg strauss
Wegeeners granulomatosis
HSP, goodpastures
What antibody with Churg Strauss?
pANCA
what antibody with Wegeners
cANCA
sx of GCA
scalp tenderness
jaw cladication
headache
amarosis fugax (ischaemic optic neuropathy)
ix GCA
USS temporal artery (halo sign)
if USS negativem, get a temporal artery biopsy
Raised ESR
how do you manage GCA
PO prednisolate immediately (before ix)
what do you give for GCA if visual sx
IM methylpred
how does takayasu arteritis present
Asian females
20-40yo
weak/unequal limb pulses
HTN
large vessel blockage
how does Polyarteritis nodosa present
young male adult
systemic symptoms
rash
melaena, abdo pain
renal: HTN
liver dysfunction (HBV)
How do you manage polyarteritis nodosa
prednisolone + cyclophosphamide
How does Wegeners prsent
URT: rhinitis, epistaxis, saddle nose
LRT: haeemoptysis, cough
renal: RPGN, nephritic syndorme
Chung strauss sx
eosiniophilia
asthma
vascultisi
what meds can you give for chronic pain
All diabetics get peripheral (neuropathy)
amytryptiline
duloxetine
gabapentine
pregabalin
first line mx for neuropathic pain
amytriptyline and pregabalin
first line mx diabetic neuropathy
duloxetine
first line trigeminal neuralgia c
carbamazepine
what is stills disease
+ what are its findings on blood test
type of inflammatory arthritis presenting with FAR:
Fever (SPIKES in the evenings)
arthralgia
Rash (salmon pink maculopapular)
negative RF, ANA
high ferritin
mx stills diseae
NSAID
add srteroid after one week
How does pseudogout present on X ray?
CHONDROCALCINOSIS (deposits of calcium along joint line)
otherwise may mimic OA
what are heberden and bouchard nodes
Heberden = swollen DIP
Bouchard = swollen pip
in Osteoarthrtis
what is cervical spondylosis
degeneraton of cervical spine
impinges onto spinal cord > compresses nerve root and anterior spinal cord
causes DEGENERATIVE CERVICAL MYELOPATHY
sx DEGENERATIVE CERVICAL MYELOPATHY
pain in neck and arms
numbness in neck and arms
loss of motor function (digital dexterity)
signs DEGENERATIVE CERVICAL MYELOPATHY
LMN in upper limbs
UMN in LL (including autonomic dysfunction)
what sign is POSITIVE In DEGENERATIVE CERVICAL MYELOPATHY
Hoffman
management of DEGENERATIVE CERVICAL MYELOPATHY
urgent neurosurgery referral
needs IV methylpred + decompression
what will you find when examining a patient with GCA
swelling and erythema over temporal artery
thickened, non pulsatile temporal artery
reduction in visual acuity
what are the two types of gout
PODAGRA = acute attack, excruciating pain swelling and hot 1st MTP
Chronic TOPHACEOUS GOUT = chronic disease, depositon of TOPHI in joints, tendons, pinna
whhat dietary advice should you gve to someone with gout
avoid meat, alcohol, prolonged fasting
lose weight
what does XR show in gout
punched out erosions “RAT BITES” and reduced joint space
classic presentation of POLYMYALGIA RHEUMATICA
PAIN and STIFFNESS in shoulders, neck, hips (NO weakness)
» pain worse on walking
» stiffness worse in morning, resolves during the day
OVER 50s
Min 2 weeks of sx
what are blood markers like in POLYMYALGIA RHEUMATICA
raised ESR, CRP
normal CK
how do you manage POLYMYALGIA RHEUMATICA
PO prednisolon
descriibe pattern of muscle weakness in polymyositis
PROXIMAL FIRST (distal is much later)
Difficulty getting up from chair, lifting objects, brushnig hair
fine motor coord is usually spared until later
what does the face look like in scleroderma
beak nose
microstomia (puckered mouth)
describe presentation of polyarteritis nodosa
systemically unwell
skin rash
GI melaena, abdo pain
renal HTN
liver involvement HBV
what is classiical 2 signs to distinguissh polyarteriitis nodos
- ROSARY BEAD SIGN on renal angio
- HBV
What antibody is characteristic of goodpastures
anti GBM
what meds can cause DRUG INDUCED LUPUS
Hydralazine PIMP
Hydralazine
Procainamide
Isoniazid
Minocycline
Phenytoin
which antibody is present in virtually 100% of pts with driug induced lupus
aanti-histone antibody
when must you reassess the necessity or oral biphosphinates
assess after five years
how do you reassess the need for biphosphonates
FRAX score and DEXA scan
what conditions would you stop biphosphonates for
if T score >-2.5
low risk
BUT REVIEW IN 2 YEARS
how do you manage paget’s disease
bisphosphonate (either oral risedronate or IV zoledronate)
what does joint aspirate show in RA
yellow cloudy fluid
high WCC (PMN)