Ortho Flashcards

1
Q

Heberden’s nodes seen in….

A

OA

(DIP involvement)

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2
Q

Negative bifringement crystals

A

gout

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3
Q

calcium pyrophosphate dehydrate crystals

A

psuedogout

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4
Q

treatment for minimally displaced C1 fx

A

collar

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5
Q

treatment for moderately displaced C1 fracture

A

halo

(may need fusion 3-4 mo down the line if halo doesnt work)

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6
Q

what scoliosis degree do you start to worry about respiratory complications?

A

60-90 degrees

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7
Q

“rat bite formation” on x ray

A

gout

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8
Q

A radiograph reveals a fracture of the proximal third of the ulnar diaphysis with an anterior dislocation of the radial head.

A

Monteggia fracture

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9
Q

A Smith’s fracture is a dorsally angulated fracture of the ….

A

distal radius

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10
Q

A _______ fracture is an isolated fracture of the ulna with nondisplacement or minimal displacement, most commonly from a direct blow to the ulna.

A

night stick

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11
Q

A ____ fracture is a radial styloid fracture

A

Chauffeur’s fracture

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12
Q

kid has fever, joint pain and wont walk on affected limb

dx if….

  1. culture reveals yersinia or salmonella
  2. staph aureus
A
  1. septic arthritis
  2. osteomyelitis
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13
Q

initial management of baker’s cyst

A

intra-articular steroids

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14
Q

nodular thickening of the palmar aspect of the left hand. Examination reveals flexion of the 3rd, 4th, and 5th metacarpophalangeal and proximal interphalangeal joints

A

Depuytren contracture

*must be fixed surgically

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15
Q

are most shoulder separations anterior or posterior?

A

anterior

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16
Q

groove on humeral head is a ______ lesion

*must rule out axillary N injury

A

Hill Sachs lesion

17
Q

empty can test tests for….

A

supraspinatus

18
Q

Hawkins
Drop arm
Neer

..all test for?

A

impingement of subscaupular N and supraspinatus

19
Q

what nerve injury do you have to worry about with a humeral shaft fx?

(can lead to wrist drop)

A

radial nerve

20
Q

MC fx in kids

A

clavicle

(esp mid 1/3)

21
Q

supracondylar fx will have this sign on xray

A

+ anterior fat pad

22
Q

radial head fx will have these 2 signs

A

+posterior or anterior fat pad

23
Q

nursemaids elbow stretches which ligament

A

annular

24
Q

shortened and externally rotated

A

hip fx

25
Q

damage to this nerve can cause foot drop

(be wary in tibial plateau)

A

peroneal nerve

26
Q

true or false..

most ankle sprains are anterior talofibular or calcaneofibular ligaments (collateral ligaments)

A

true

27
Q

hair on end
sun ray/burst

A

osteosarcoma

28
Q

XR with “onion peel” sign

MC pelvis, femur

A

Ewings sarcoma