Finger Conditions Flashcards

1
Q

Flexor Digitorum Profundus Avulsion

What is the most common digit affected?

A

The ring finger

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2
Q

Flexor Digitorum Profundus Avulsion

What is the MOI?

A

hyperextension stress to a flexed finger

Ex. when an athletes grab an opponents jersey

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3
Q

Flexor Digitorum Profundus Avulsion

What is the subjective findings?

A

Hx of trauma in the digit

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4
Q

Flexor Digitorum Profundus Avulsion

What are the objective findings?

A
  • Testing of the isolated DIP joint flexion in all digits
  • won’t be able to flex DIP
  • assessment of the FDP for DIP and PIP
  • tenderness in flexor tendon sheath or palm
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5
Q

Flexor Digitorum Profundus Avulsion

What is the common interventions?

A

primarily surgical

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6
Q

Flexor Digitorum Profundus Avulsion

What is the overall prognosis?

A
  • Depends on the acutenes of the dx
  • rapidity of surgical intervention
  • level of tendon retraction
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7
Q

Trigger Finger

What is the MOI?

A

Inflammation of fingers –> thick and narrow as they cross the MCP head in the palm = painful snapping

May be idiopathic

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8
Q

Trigger Finger

What is the most comon structures affected?

A

2 flxor tendons of the finger
- thumb
- long and ring finger

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9
Q

Trigger Finger

What population is commonly affected?

A

Often middle aged women

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10
Q

Trigger Finger

What are the subjective findings?

A

C/o of painful finger or catching of the finger when gripping or pinching

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11
Q

Trigger Finger

What are the objective findings?

A
  • local tenderness at the base of the finger (over the tendon)
  • can have crepitus or moving nodular mass
  • pain by stretching into extension or resisted isometric flexion
  • clicking or locking w/ active flexion
  • full flexion probs limited
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12
Q

Trigger Finger

What is the confirming/special tests to dx?

A

none indicated while radiographs not needed

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13
Q

Trigger Finger

What are the goals of interventions?

A
  • Reduce swelling and inflammation flexor tendon sheath
  • promote smooth movement of the tendon
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14
Q

Trigger Finger

What are most common treatment of choice?

A

Corticosteroid injections into the sheath

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15
Q

Trigger Finger

What is the prognosis?

A
  • improving right away is rare
  • reccuring problems need to look at their work and hobbies
  • surgical release is reserved for recalcitrant cases
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16
Q

Mallet Finger

The deformity of the finger is caused by?

A

When DIP joint is damaged

17
Q

Mallet Finger

What is the objective findings?

A

When DIP is unable to extend

18
Q

Mallet Finger

What is the MOI?

A

when something strikes the tip of the finger or thumb
- force then damages the tendon

19
Q

Mallet Finger

What is surgical treatment?

A
  • with mallet splint for 6-8 weeks
  • extension block K-wire for 4 weeks
  • splint allows tendon to return to normal
  • surgery used to reattach the tendon
20
Q

Mallet Finger

What occurs if the finger is bent during recovery?

A

Healing process must start all over again

21
Q

Mallet Finger

What is the overall prognosis?

A

Will be able to recovery completely with surgery and splint

22
Q

Boutonniere Deformity

What structures are affected?

A

Injury to the tendons that straighten the PIP of the finger

23
Q

Boutonniere Deformity

What is the objective exam?

A

PIP of the injured will not straighten while the DIP bends back

24
Q

Boutonniere Deformity

What happens if the injury is not treated promptly?

A

the deformity can progress –> permanent deformity and impaired function

25
Q

Boutonniere Deformity

What is the MOI?

A
  • Forceful blow to the dorsal side of the flexed middle joint of a finger
  • can be from a cut on the top of the finger which will cut the tendon from its attachment to the bone
  • can also be arthritis
26
Q

Boutonniere Deformity

What are the sx?

A

Finger @ PIP can’t be straightened and the DIP can’t bend

swelling and pain happens that goes to the top of the middle joint of the finger

27
Q

Boutonniere Deformity

How is the splint applied?

A

Applied to the finger at the middle joint to help make it straight

keeps the ends of the tendon from separating as it heals

also allows the end joint of the finger to bend

28
Q

Boutonniere Deformity

What is the recommended length of time to wear the splint?

A

young patients - 6 weeks
elderly - 3 weeks

Can wear splint at night after immobilization

29
Q

Swan Neck Deformity

What the subjective findings?

A

The PIP of a finger is extended more than normal

DIP is flexed

30
Q

Swan Neck Deformity

What are the causes?

A

Weakness or tearing of the ligament and tendon

31
Q

Swan Neck Deformity

What is the possible treatments?

A

Splint/brace
Surgery
Joint replacement