Hand and Wrist Flashcards

1
Q

What 2 muscles are effected with Dequervain’s syndrome?

A

abductor pollicis longus

Extensor pollicis brevis

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2
Q

What syndrome is Tenosynovitis of the radial wrist extensors and is another name for “Squeaker syndrome?”

A

Intersection syndrome

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3
Q

What 2 muscles are affected with Intersection syndrome?

A

extensor carpi radialis longus

extensor carpi radialis brevis

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4
Q

What is the theory behind a ganglion cyst?

A

allows fluid out of the joint, but not back in

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5
Q

Where are most ganglion cysts (65%) formed?

A

scapholunate ligament

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6
Q

What is a genetic condition causing contracture of the deep fascia of the hand?

A

Dupuytren’s Disease

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7
Q

What side of the hand is most commonly effected with Dupuytren’s Disease?

A

Ulnar side

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8
Q

What should you check the length of with Dupuytren’s Disease?

A

forearm flexors

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9
Q

In what manner was Dupuytren’s Disease stitched up?

A

Zig-Zag

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10
Q

What is a traumatic disruption of terminal extensor tendon of DIP Caused by sudden flexion of the distal interphalangeal (DIP) joint while the finger is in an extended position?

A

Mallet Finger

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11
Q

What is another name for Mallet finger?

A

Baseball finger or drop finger

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12
Q

What action do you lose with Mallet finger?

A

extension at the DIP

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13
Q

How do you treat Mallet Finger if it is fractured?

A

K-wire

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14
Q

How do you treat Mallet Finger if it is NOT fractured?

A

splint in neutral or slight hyperextension

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15
Q

What is a fibrous nodule at a flexor tendon that slides under the annular ligament of the finger, and gets stuck; audible or palpatory clicks or popping sensation called?

A

Trigger finger

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16
Q

How should you treat a trigger finger with pain on AROM?

A

Conservative care

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17
Q

How should you treat a trigger finger with pain plus a click?

A

Conservative care and steroids

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18
Q

How should you treat a trigger finger with pain plus sticking?

A

Steroids

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19
Q

How should you treat a trigger finger with pain plus locking?

A

Surgery

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20
Q

What type of fracture is a Fracture-dislocation of the first metacarpal base where the metacarpal articulates with the trapezium?

A

Bennett’s fracture

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21
Q

What ligament lets the fragment stay intact with a Bennett’s fracture?

A

volar anterior oblique ligament

22
Q

How does a Bennett’s fracture come about?

A

The thumb forced backward (abduction) with partially flexion of the MCP

23
Q

What is acute instability of the ulnar collateral ligament (UCL), is the most common injury of the thumb and also known as Skier’s thumb?

A

Gamekeeper’s thumb

24
Q

What is the mechanism of injury of Gamekeeper’s thumb?

A

Rapid forceful abduction and extension of the MP joint tears the ligament

25
Q

What lesion of gamekeepers thumb, adductor aponeurosis separates the proximal and distal stumps?

A

Stenar lesion

26
Q

What ligament is stressed with full hyperextension for Gamekeeper’s thumb?

A

accessory ligament

27
Q

What ligament is stressed with 30 degrees of flexion for gamekeeper’s thumb?

A

UCL

28
Q

What muscle’s tendon causes avulsion with jersey’s finger?

A

Flexor Digitorum Profundus

29
Q

What is the mechanism of injury with jersey finger?

A

hyper-extension of a flexed finger

30
Q

Do you want surgery immediately with Jersey finger?

A

Yes

31
Q

What is the initial and most important reduction force for dorsal dislocations?

A

Direct traction

32
Q

How do you tape dorsal dislocations?

A

buddy taping

33
Q

How long should you splint dorsal dislocations?

A

2-4 weeks

34
Q

How long should you splint a collateral ligament injury?

A

10-14 days

35
Q

How should you NOT tape a collateral ligament injury?

A

in flexion (will cause boutinerre deformity)

36
Q

How should you tape a collateral ligament injury?

A

buddy tape

37
Q

How do you splint a volar plate injury?

A

Block splint

38
Q

How long should you splint a volar plate injury?

A

4 weeks in 30 degrees of flexion

39
Q

What fracture is of usually the 5th or 4th metacarpal neck?

A

Boxer’s fracture

40
Q

What is the most common fracture of the carpals?

A

scaphoid fracture

41
Q

What is the MOI of a scaphoid fracture?

A

FOOSH

42
Q

What is the most commonly dislocated bone in the wrist?

A

lunate

43
Q

What nerve may be injured with a lunate fracture?

A

Median nerve

44
Q

What is the disease name called with avascular necrosis of the lunate?

A

Keinbock’s disease

45
Q

Describe ulnar variance?

A

ulna is longer or shorter than the ulnar side of the radius

46
Q

What is fractured with a Chaeuffer’s fracture?

A

radial styloid

47
Q

What is fractured with a Smith’s fracture?

A

Distal radius

48
Q

What kind fo deformity is caused by a Smith fracture?

A

Garden Spade deformity

49
Q

What is the MOI of Smith’s fracture?

A

Falling on the back of the hand

50
Q

What is fractured with Colles fracture?

A

distal radius with posterior fragments

51
Q

What is the MOI of a Colles fracture?

A

FOOSH