Ortho Flashcards
Heberden’s nodes seen in….
OA
(DIP involvement)
Negative bifringement crystals
gout
calcium pyrophosphate dehydrate crystals
psuedogout
treatment for minimally displaced C1 fx
collar
treatment for moderately displaced C1 fracture
halo
(may need fusion 3-4 mo down the line if halo doesnt work)
what scoliosis degree do you start to worry about respiratory complications?
60-90 degrees
“rat bite formation” on x ray
gout
A radiograph reveals a fracture of the proximal third of the ulnar diaphysis with an anterior dislocation of the radial head.
Monteggia fracture
A Smith’s fracture is a dorsally angulated fracture of the ….
distal radius
A _______ fracture is an isolated fracture of the ulna with nondisplacement or minimal displacement, most commonly from a direct blow to the ulna.
night stick
A ____ fracture is a radial styloid fracture
Chauffeur’s fracture
kid has fever, joint pain and wont walk on affected limb
dx if….
- culture reveals yersinia or salmonella
- staph aureus
- septic arthritis
- osteomyelitis
initial management of baker’s cyst
intra-articular steroids
nodular thickening of the palmar aspect of the left hand. Examination reveals flexion of the 3rd, 4th, and 5th metacarpophalangeal and proximal interphalangeal joints
Depuytren contracture
*must be fixed surgically
are most shoulder separations anterior or posterior?
anterior
groove on humeral head is a ______ lesion
*must rule out axillary N injury
Hill Sachs lesion
empty can test tests for….
supraspinatus
Hawkins
Drop arm
Neer
..all test for?
impingement of subscaupular N and supraspinatus
what nerve injury do you have to worry about with a humeral shaft fx?
(can lead to wrist drop)
radial nerve
MC fx in kids
clavicle
(esp mid 1/3)
supracondylar fx will have this sign on xray
+ anterior fat pad
radial head fx will have these 2 signs
+posterior or anterior fat pad
nursemaids elbow stretches which ligament
annular
shortened and externally rotated
hip fx
damage to this nerve can cause foot drop
(be wary in tibial plateau)
peroneal nerve
true or false..
most ankle sprains are anterior talofibular or calcaneofibular ligaments (collateral ligaments)
true
hair on end
sun ray/burst
osteosarcoma
XR with “onion peel” sign
MC pelvis, femur
Ewings sarcoma
