Msk Wrong Flashcards
Anti-CCP is correlated with what disease?.
Specific/sensitive?
Rheumatoid Arthritis
Specific
NOT sensitive
How to keep track of RA disease
what the diff scores mean
DAS 28 score
<2.6 disease remission
3.2-5.1 moderate disease activity
>5.1 high disease activity
Dmard alternative to methotraxate for pregnant lady
Sulfalazine
Highly specific marker for sle
Anti - dsDNA
Anti- sm
Antibody associated with diffuse systemic sclerosis (aka scleroderma)
Specificity/sensitivity?
Anti-scl-70
Specific but not sensitive
Antibody associated with limited cutaneous systemic sclerosis
Specificty/sensitivity?
Anti-centromere
Specific not sensitive
What is bennets fracture
Base of thumb fracture
Livedo reticularis is a feature of…
Anti phospholipid syndrome
Punched out lesions on x ray?
Gout
Anti ro / anti la indicated?
sjrogens (present in 60-70% of sjrogens patients)
What do heberdens nodes indicate?
Osteoarthritis
What nerve does a colles fracture damage
Median
What nerve is damaged by a distal
Humerus supracondylar fracture
Median
Arthodesis is?
The surgical stiffening or fusion of a joint in a position of function
What does redgimental badge numbness indicate?
What nerve is damaged?
Shoulder dislocation causing stretched nerve
Axillary nerve
what conditions are associated with adhesive capsulitis
- diabetes
- hypercholesteraemia
- duputryens (histologically similar)
principle clinical sign of adhesive capsulitis
loss of external rotation
what Glasgow coma score implies loss of airway control?
what is an important thing to do when managing the airway
- 8 or less
- immobilising head to protect c-spine and prevent spinal cord injury
what artery is most likely to be damaged by knee dislocation
popliteal artery
what artery is most likely to be damaged by a paediatric supracondylar fracture
brachial artery
which side of elbow is affected by golfers elbow
medial
(medial epicondylitis caused by inflammation of the common extensor tendon)
what does a galezzi fracture decribe
distal radial fracture> dislocation of radioulnar joint
either unilateral or bilateral malleolar fracture, forced foot eversion
what is the name of this type of fracture?
potts fracture
distal radius fracture with associated radiocarpal dislocation
fall onto extended and pronated wrist
what type of fracture
bartons
what does a monteggias fracture describe
proximal ulnar l fracture> prox. radial dislocation
Intra-articular fracture of the first carpometacarpal joint
Impact on flexed metacarpal, caused by fist fights
what type of fracture
Bennetts fracture
subchondral cysts feature of which disease?
Osteoarthritis
juxta-articular osteporosis is an early sign of…
(seen on x-ray)
RA
common posterior hip dislocation presentation
shortened and internally rotated leg
common neck of femur fracture presentation
shortened, externally rotated leg
discitis causative organism
staph A.
compression of S1 nerve (eg by prolaped dis) presents as…
(include sensory loss, and affeed action)
(remember dermatome pic)
sensory loss: posterior leg, lateral foot
weak plantar flexion
L4 nerve compression presents as…
(remember dermatome pic)
(include sensory loss, and affeed action)
sensory loss: anterior knee, medial malleolus
weak knee extension/hip adduction
L5 nerve compression presents as (remember dermatome pic)
(include sensory loss, and affeed action)
sensory loss: dorsum of foot
weak foot/big toe dorsiflexion
what nerves are compressed in a positive sciatic nerve stretch test
L5, S1
what nerves are compressed in a postive femoral stretch test
mid lumbar L2-L4
how does a bennets fracture show up on xray
X-ray: triangular fragment at ulnar base of metacarpal
compartment syndrome most commonly associated with what fractures?
supracondylar and tibial shaft fractures
main innervators of bicep and tricep
bicep= 5 letters = C5
tricep= 6 letters = C6
describe a salter harris fracture I (try and visualise!!)
through the physisis only
salter Harris II… (try and visualise!!)
Fracture through the physis and metaphysis
salter harris III
Fracture through the physis and epiphysis to include the joint
salter harris IV
Fracture involving the physis, metaphysis and epiphysis
salter harris V
Crush injury involving the physis (x-ray may resemble type I, and appear normal)
(will be a thin break in physis)
describe a colles fracture
fall on outstretched hand.
distal radial fraction with dorsal displacement of the distal fragment (back of the hand).
dinner fork deformity
describe what inc risk of a hamate fracture and how it presents
frequent tennis player
pain over ulnar aspect of wrist and weakened grip. pain on active flexion of fourth and fifth fingers (pull test)
buckle vs greenstick fracture
buckle: compression fracture, both sides of the bone stick out where the fracture is
Greenstick: fractures only goes through some of the bone, fracture does not completley transversley affect both sides of the bone
smiths fracture, describe
fall on the dorsum of the hand
volar angulation of the radius
how to help differentiate between polymyalgia rhuematica and fibromyalgia
polymyalgia: morning stiffness and inc ESR
fibromyalgia: no morning stiffness and no lab findings and likely to have other conditions as well
anti histone bodies
associated with drug induced lupus
symmetrical annular (ring like) papulosquamous (raised scaly) lesions on sun exposed areas
what is this a symptom of
cutaneous lupus
pseudo gout aspirate fluid is made of…
positively birefringent rhomboid shaped crystals
what is a nightsick fracture
isolated unla fracture
is methotrexate safe to use during pregnancy
NO
what does limited cutaneous sclerosis affect
predominantly affects the face and distal limbs
characterised by scleroderma
what does diffuse cutaneous systemic sclerosis predominantly affect
predominantly affects the trunk and proximal limbs
what is a subtype of limitied cutaneous systemic sclerosis
CREST
Calcinosis
Raynauds
Eosophageal dysmotility
Sclerodactyly
Telangiectasia
multiple fractures, hypoxia,dyspnea, tachypnea and altered neurological status (eg confusion) ….
fat embolism syndrome
(PE is a differential however woud not cause altered neurological state)
what are syndesmophytes associated with and what are they
bony outgrowths of the spinal ligaments/annulus fibrousus) associated with ankylosing spondylitis
what presents (commonly in children)with knee pain however knee function is fine but reduced internal rotation of the hip
SUFE
