Exam 2 (extremities) Flashcards

1
Q

This is a corticol depression in the posterolateral head of the humerus. It results from a forceful impaction of the humeral head against the anteroinferior glenoid rim when the shoulder is dislocated anteriorly.

A

Hill-Sachs lesion (Hatchet deformity)

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2
Q

This is an injury of the anterior (inferior) glenoid labrum of the shoulder due to anterior shoulder dislocation.

A

Bankart Lesion/fracture

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3
Q

Avulsion of the greater tuberosity by retraction of the rotator cuff is what type of fracture?

A

Flap Fracture

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4
Q

The humerus is dislocated anterior and inferiorly with the arm hyperabducted and locked above the head.

A

Luxatio Erecta

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5
Q

How much will the acromiohumeral join space narrow in a rotator cuff injury?

A

to less than 6mm

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6
Q

60% frequency in children

A

Supracondylar fracture

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7
Q

Adults are 50% likely to fracture what in an elbow injury?

A

radial head or neck

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8
Q

What’s the diagnosis?

A

Anterior dislocation of radius

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9
Q

A line paralleling the shaft of the radius should pass through the center of the capitellum.

A

Radiocapitellar line

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10
Q

What’s the diagnosis?

A

sail sign(radial head fracture)

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11
Q

What is the MC elbow fracture in adults but very rare in children?

A

olecranon fracture

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12
Q

What age does nursemaids elbow typically occur in?

A

2-5 years old

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13
Q

A fracture of the proximal 1/3 of the ulna with dislocation of the head of the radius.

A

Monteggia fracture

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14
Q

Diagnosis?

A

Monteggia Fracture

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15
Q

Findings?

A

anterior dislocation of the radial head with transverse fracture of proximal 1/3 of ulna

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16
Q

Diagnosis?

A

Galeazzi fracture

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17
Q

Findings?

A

fracture of the radius with dislocation of the distal radioulnar joint

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18
Q

Diagnosis?

A

Greenstick radius fracture

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19
Q

These represent what kind of fractures?

A

Greenstick

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20
Q

Fracture of the radius about an inch and a half above the carpals with posterior displacement of the distal fragment?

A

Colles Fracture

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21
Q

Diagnosis?

A

Colles Fracture

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22
Q

Diagnosis?

A

Smith’s Farcture

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23
Q

Diagnosis?

A

Barton’s fracture

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24
Q

Diagnosis?

A

Barton’s fracture

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25
Q

Diagnosis?

A

Hutchinson’s/Chauffer’s fracture (radial styloid head fx)

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26
Q

Most common carpal fractured?

A

scaphoid (70% involve the waist)

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27
Q

Diagnosis?

A

scaphoid fracture

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28
Q

Diagnosis?

A

triquetral avulsion fracture

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29
Q

Diagnosis?

A

Hammate fracture (best viewed on CT)

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30
Q

Diagnosis?

A

Pisiform fracture

31
Q

Diagnosis?

A

anterior lunate dislocation

*lunate should sit on radius, pic shows capitate on radius

32
Q

Most common carpal dislocation?

A

perilunate

33
Q

Diagnosis?

A

perilunate dislocation

34
Q

Just look at this

A

*PIE sign* on exam

35
Q

Most common of the carpal instibility patterns?

A

rotatory subluxation of the scaphoid

36
Q

Terry Thomas sign is how much of a gap between scaphoid and lunate?

A

>4mm (AKA “ring sign”)

37
Q

Diagnosis?

A

Boxer’s/bar room fracture

38
Q

Diagnosis?

A

Baseball or mallet finger

39
Q

An oblique fracture of the base of the first metacarpal associated with dorsal subluxation of the first metacarpal.

A

Bennett’s fracture (MC injury to 1st metacarpal)

40
Q

Diagnosis?

A

Bennett’s fracture

41
Q

Diagnosis?

A

Gamerkeeper’s thumb

42
Q

What % of hip dislocations are posterior?

A

85-90%

43
Q

If the femur is superior to acetabulum, the dislocation is labeled?

A

posterior

44
Q

If the femur head isinferior and medial to the acetabulum (finding) your diagnosis would be?

A

anterior hip dislocation

45
Q

Diagnosis?

A

transverse fracture, basicervical, of the femoral neck

46
Q

These types of fractures usually result from severe violence and if they happen under the age of 5, suspect abuse.

A

femoral shaft fracture

47
Q

Diagnosis?

A

transverse fracture of patella

48
Q

Diagnosis?

A

ACL tear

49
Q

Diagnosis?

A

MCL tear

50
Q

A type of avulsion fracture (soft tissue structures tearing off bits of their bony attachment) of the lateral tibial condyle of the knee, immediately beyond the surface which articulates with the femur.

A

Segond fracture

51
Q

Diagnosis?

A

Segond fracture

52
Q

Diagnosis?

A

Maisonneuve fracture

53
Q

Diagnosis?

A

Tibial stress fracture

54
Q

Which ankle fracture is stable? unstable?

A

unimalleolar-stable

bimalleolar-unstable

55
Q

*TQ

the ankle joint is a ring or circle made up of the TIBIA, FIBULA, and TALUS and their ligamentous attachments

A

Neer’s ring analogy

(Tib Fib Tal)

56
Q

MC fracture tarsal bone?

A

calcaneus

57
Q

What measurement would you use to assess a calcaneal fracture?

A

Boehler’s angle

(line goes from the superior posterior margin of the tuberosity to the superior tip of the posterior facet. line two goes from the superior margin of the anterior process of the superior tip of the posterior facet. angle should not be less than 28 DEGREES)

58
Q

Diagnosis?

A

calcaneal fracture

59
Q

Second most common tarsal fracture?

A

talus

60
Q

Diagnosis?

A

talus fracture

61
Q

Diagnosis?

A

Jones/Dancer’s fracture

(transverse fracture at the base of the 5th metatarsal)

62
Q

Diagnosis?

A

Lisfranc dislocation

(tarsometatarsal dislocation)

63
Q

Diagnosis?

A

Chopart’s dislocation

(midtarsal dislocation)

64
Q

Diagnosis?

A

Radial dislocation anteriorly

65
Q

Diagnosis?

A

Medial colateral ligament tear

66
Q

Diagnosis?

A

gamekeeper’s thumb

67
Q
A

Torus fracture of radius and ulna

68
Q
A
69
Q
A
70
Q
A
71
Q
A

Stress (compression/impaction) in subcapital femoral neck

72
Q
A

Dancer’s fracture of the 5th metatarsal

73
Q
A

Colles Fracture of distal radius