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Flashcards in Week 2 Learning Deck (46):
1

how can you recognize a skeletally immature pelvis XR?

physis
triradiate cartilage still open

2

AP Pelvis
what does the teardrop represent

medial wall of acetabulum.

3

AP Pelvis
Iliopectineal line represents

anterior column of acetabulum

4

AP Pelvis
ilio-ischial line represents

posterior column of acetabulum

5

acetabulum is tilted which way

anteverted

6

Shenton's Arc (or line)

important on AP pelvis
helps w/determining if there is a dislocation. would be broken in dislocation

7

AP pelvis skeletally imature lines

shentons arc
Hilgenreiner's line
perkin's line

8

Hilgenreiner's line - describe

Horizontal line through triradiate cartilage

9

Perkins line - describe

perpendicular to hilgenreiner's line, through lateral most aspect of the acetabular roof

10

in relationship to hilgenreiner's land perkins' lines, where should a normal hip be?

below hilgenreiner's line and medial to perkin's line

11

what pelvis view is basically a straight AP view of sacrum?

pelvic outlet view.

12

On pelvic outlet view, what should line up with S2?

pubic symphysis

13

Judet views are named based on

the injured side

14

judet views are

obturator oblique
iliac oblique

15

Judet view
obturator oblique is the view you would want to evaluate the

anterior column, which is the iliopectineal line

also view you want for posterior wall.

16

Judet view
iliac oblique is the view you would want to evaluate the

anterior wall

also posterior column, which is the ilioischial line

17

how to remember judder view

POW

p/w: posterior wall
O: obturator oblique

18

what 3 views should you get for the ankle?

AP
mortise
Lateral

19

how does mortise differ from AP

you internally rotate at knee a little to get the toes to point forward. to get purely anterior of mortise

20

what indicates a good lateral view of the ankle?

look at the talar dome, make sure it has good overlap with tibia

21

How can you tell if you have an AP view of scapula?

scapula is protracted forward a little - 30 degrees of ante version

22

what shoulder view would overcome the anterior tilt of the scapula?

Grashey

23

any time you are evaluating congruency of glenohumeral joint, you should get what view

axillary view

this view tells you where the glenoid and humerus are articulating

24

If it's too hard to abduct arm for axillary view - get a?

velpeau view

25

other than a dislocation, an axillary view can show you

bony bankart lesions

26

describe a scapular Y view of the shoulder

looking down the plane of scapula

the corocoid, accromion and shaft of humerus form a Y shape

27

What is a Y view good for?

evaluation of shoulder pain, esp in impingement syndrome... you could look at the hook of the acromion

28

what kind of film is good to get (in particular) when evaluating osteoarthritis of the knee, and why?

WT BEARING AP
because it shows what they are actually experiencing in their knee when they are standing

29

How do you know if a film is wt bearing

look for the bb circle. if they are all stacked on the bottom= weigh bearing. (cassette was upright. as opposed to flat where bb's would be distributed randomly)

30

sunrise view of knee shows

patellofemoral joint

31

good lateral of the knee will show?

overlapping of femoral condyles

32

Blumensat's line is basically what? and what lives there

basically the notch of the knee

cruciates live there

33

What are the sesamoid bones of the knee?

patella
fabella

34

where is the fabella found

knee
head of the lateral gastroc

35

Where does the fibula live in relation to the tibia

somewhat posterior

36

The Harris View looks at what bone? What is it used to evaluate

Calcaneus
for comminution and widening of calcaneous

37

Describe the scaphoid view

for evaluating scaphoid fx
requires hand to be ulnar deviated

it extends the scaphoid - so you're looking perpendicular to axis of scaphoid

38

Coupled movement of radial/ulnar deviation and movement of the scaphoid

ulnar deviation extends scaphoid
radial deviaiton flexes scaphoid

39

on a PA view, what does the scaphoid look like?

a ring - find sign of scapholunate dissociation

40

when asked to read an x ray, what do you want know? (2 things)

closed vs open
neurovascularly intact?

41

Lagging produces what type of bone healing?

primary bone healing

42

Casting will result in what type of bone healing?

Secondary bone healing with relative stability

43

When using a dynamic compression plate to compress, should you drill away or towards the fracture in the oblong hole?

away

44

a one third tubular plate put in after a lag screw in a distal fibula ORIF is used as a

neutralization plate

45

A buttress plate provides what type of compression

dynamic

46

The talus, scaphoid and 5th metatarsal base have what kind of blood supply

tenuous