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Flashcards in Test #2 Deck (136)
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1

M/C skeletal injury in childhood?

Clavicles fx

2

Fxs that are frequent b/w ages of 20-40?

AC separation
Dislocation of the shoulder & clavicle fx

3

Common fxs in elderly?

Fxs of humeral head & surgical neck

4

Type of fx that is uncommon in childhood?

Rib fxs

5

Ribs that are M/C fx?

4-9

6

Type of Rib fx that shows up better on CT than xray?

Fxs at costovertebral junction & pos. aspect of ribs

7

Weightlifters tend to fx which ribs?

2nd

8

Throwing athletes tend to fx which rib?

stress fx at 1st rib

9

Golfer's & passion fx happen at which ribs?

4-9

10

Cough (Post-tussive) causes fx at which ribs?

6-7 ant. ribs

11

A person w/ one or more ribs w/ 2 fxs & isolated fragments move in opposite direction during respiration (paradoxical motion) suffer from what?

Flail chest

12

Radiographic features of rib fxs?

Fx line
Cortical offset
Angular deformity
Callus formation
Extra-pleural sign

13

Complication of rib fxs?

Pneumothorax or hemothorax
Contusion
Pneumonia

14

M/C site of clavicle fx?

Middle portion

15

Clavicle fx healing is often assoc. w/ what?

Exuberant callus formation

16

Complications of clavicle fx?

Neurovascular damage
Non-union
Malunion
post-traumatic osteolysis
Degeneration arthritis

17

Post-traumatic osteolysis starts as what?

Cystic rarefaction

18

Most shoulder abnormalities are best identified on what type of view?

AP

19

What 2 views are obtained for a shoulder at a minimum?

AP w/ int. rotation
AP w/ ext. rotation

20

Type of view that shows pos. dislocation of shoulder well?

Grashey View

21

Type of view that shows ant. & pos. relationships of shoulder?

Axillary view

22

This view is AKA a "Y" view?

Scapular view

23

Ant. shoulder dislocations go which direction?

Med. & inf.

24

Pos. shoulder dislocation go which directions?

Sup. & lat

25

M/C dislocation in shoulder?

Anterior

26

M/C mechanism for ant. dislocation of the shoulder?

Adductor w/ external rotation

27

Type of mechanism that causes pos. shoulder dislocation?

Direct blow to shoulder, occasional falls, electrical shock, seizures

28

What two deformities are assoc w/ an ant. shoulder dislocation?

Hill-Sachs deformity & Bankart's lesion

29

What two signs are assoc. w/ a pos. shoulder dislocation?

Trough sign & Racquet sign

30

What is the avg. AC joint space?

2-4mm; shouldn't be a difference >2mm b/w sides