MSK random factoids Flashcards
SLE antibody
anti-DNA binding antibody
gottron’s papules are seen in what
dermatositis
what is uric acid seen as
negatively bifrefringement needle crystals
is sunfalazine safe in pregnancy
yes
what should be avoided when on DMARDS/
live attenuated vaccines
which muscle is weak in a positive tredndellenegr test?
gluteus medius
transverse fracture
bending force causing horizontal break
oblique
shearing force causing diagonal break
spiral
torsional force causing diagnoal + circular break
comminuted
has 3 or more fragments
usually due to high energy injury
segmental
bone fractures in 2 seperate places
what is compartment syndrome?
when increased pressure (inflammatory exudate, bleeding) compresses the venous system, causing congestion within muscle compartments and ischaemia since arterial blood cant get through
which surgery is performed for compartment syndrome?
faciectomy
what is volkmans contracture?
fibrotic contracture that can develop from necrotised muscle in compartmenet syndrome
which type of collagen is produced by duputryens disease?
type 3
definition of greenstick fracture
occurs in childrens bones with the crotex on the tension side of the frcature failing but the cortex on compression side of frcature remaining intact
is thrombocytosis a feature of anti-phospholipid syndorme?
no
what are the 3 types of CP and which is the commonest?
spastic - motor cortex problem
ataxic - affects cerobellum + reduced coordination + balance
athetoid - sudden changes in tone + uncontrolled speech
what are the blood findings for fibromyalgia?
none - normal
when is arthrodesis used?
end stage ankle arthritis, wrist arthritis + arthirits of first MTP joint of foot (hallux ridigus)
is perthes disease seen in tall or short stature?
short
which is the most common bering surface combination for hip arthroplasty?
metal on polyethlene
how much of SUFE is bilateral
1/3
do boys or girls get tapes equinovarus more ?
boys
is acute osteomyeliitis without surgeyr more common in adults or children
children
which movement is lost in frozen shoudler
external rotation
what is it called when there is muscle formation in a bone after trauma eg soft > hard lump?
myositis ossificans
describe bouchards nodes
PIPS
describe herbendes nodes
DIPs
age of temporal arteritis
> 50
sympoms of temporal arteritis
jaw claudication
unilateral headahce
visual disturbances
scalp tenderness
most common place for child OM
metaphysis of femur
xray ankle rules
ottawa ankle
- inability to weight bear both immediateyl and at the time of assessment
- presence of tenderness over posterior aspect of medial / lateral malleolus, navicular bone or base of 5th MT
age of polymyalgia rheumatic
> 50
how to aspirate knee
in extened position
antibodies for dermatomyosiis
antiJo
investigation for dermatomyositi and polymyosiists
muscle biopsy
treatment for poly / dermatomyositis
40mg prednisolone
which nerve damaged in broken fibula
common peroneal nerve
fibromyalgia symptoms
widespread pain above + below waist for > 3 months
signs of brachial artery damae
supracondylar humeral fracture
cold fingers
reduction / stabilisation of fracture
most commonly dislocated wrirst bone
lunate
NF sigs on xray
subcutaneous gas on xray after surgery
OM treatment
surgical debridement + IV antibiotics
RA treatment pyramid
NSAIDS
steroids 2 DMARDS
infliximab
SE of HCQ
retinophaty / corneal deposits
apical fibrosis
ank spondy
primary supply to femoral neck
medial circumflex artery
investigation for rotator cuff tear
US
problem swinging child by arm
subluxation of radial head / nursemaids elbow
closed reduction of raidal head subluxation
symptoms of pagets
hearing loss + movement problems
symptoms of takayasus
pulseless
younger women < 40
feltys syndrome
splenomegaly, neutropenia in RA
skiers thumb
rupture of ulnar collateral ligament + - volar plate, weakness of pincer grip
humerous fracture compromises which nerve
radial
polyarterities nodosa associated with which system
renal system
which joints are spared in RA
DIP
feature of psoriatic arthritis
nail involvement
Xray features of OA
reduced joint space
subchondral sclerosis
bone cycts
osteophytes
what differes polymyalgia rheumatic from polymyositis
pain and increased ERS + >50
who gets SLE
afro carribean women 20-40 years
features of pulmonary fibroriss
SOB, dry cough, bilateral fine inspiratory crackles
which condition is pulmonary fibrosis assoc with
RA
investigation for Pe / anti-phospholipid syndrome
CTPA
biochem of pagets
normal Ca and phosphate
increased ALK PHOS
