Finger Conditions

Question 1

Flexor Digitorum Profundus Avulsion

What is the most common digit affected?

Answer 1

The ring finger

Question 2

Flexor Digitorum Profundus Avulsion

What is the MOI?

Answer 2

hyperextension stress to a flexed finger

Ex. when an athletes grab an opponents jersey

Question 3

Flexor Digitorum Profundus Avulsion

What is the subjective findings?

Answer 3

Hx of trauma in the digit

Question 4

Flexor Digitorum Profundus Avulsion

What are the objective findings?

Answer 4

• 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

Question 5

Flexor Digitorum Profundus Avulsion

What is the common interventions?

Answer 5

primarily surgical

Question 6

Flexor Digitorum Profundus Avulsion

What is the overall prognosis?

Answer 6

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

Question 7

Trigger Finger

What is the MOI?

Answer 7

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

May be idiopathic

Question 8

Trigger Finger

What is the most comon structures affected?

Answer 8

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

Question 9

Trigger Finger

What population is commonly affected?

Answer 9

Often middle aged women

Question 10

Trigger Finger

What are the subjective findings?

Answer 10

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

Question 11

Trigger Finger

What are the objective findings?

Answer 11

• 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

Question 12

Trigger Finger

What is the confirming/special tests to dx?

Answer 12

none indicated while radiographs not needed

Question 13

Trigger Finger

What are the goals of interventions?

Answer 13

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

Question 14

Trigger Finger

What are most common treatment of choice?

Answer 14

Corticosteroid injections into the sheath

Question 15

Trigger Finger

What is the prognosis?

Answer 15

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

Question 16

Mallet Finger

The deformity of the finger is caused by?

Answer 16

When DIP joint is damaged

Question 17

Mallet Finger

What is the objective findings?

Answer 17

When DIP is unable to extend

Question 18

Mallet Finger

What is the MOI?

Answer 18

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

Question 19

Mallet Finger

What is surgical treatment?

Answer 19

• 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

Question 20

Mallet Finger

What occurs if the finger is bent during recovery?

Answer 20

Healing process must start all over again

Question 21

Mallet Finger

What is the overall prognosis?

Answer 21

Will be able to recovery completely with surgery and splint

Question 22

Boutonniere Deformity

What structures are affected?

Answer 22

Injury to the tendons that straighten the PIP of the finger

Question 23

Boutonniere Deformity

What is the objective exam?

Answer 23

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

Question 24

Boutonniere Deformity

What happens if the injury is not treated promptly?

Answer 24

the deformity can progress –> permanent deformity and impaired function

Question 25

# Boutonniere Deformity What is the MOI?

Answer 25

* 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

Question 26

# Boutonniere Deformity What are the sx?

Answer 26

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

Question 27

# Boutonniere Deformity How is the splint applied?

Answer 27

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

Question 28

# Boutonniere Deformity What is the recommended length of time to wear the splint?

Answer 28

young patients - 6 weeks elderly - 3 weeks ## Footnote Can wear splint at night after immobilization

Question 29

# Swan Neck Deformity What the subjective findings?

Answer 29

The PIP of a finger is extended more than normal DIP is flexed

Question 30

# Swan Neck Deformity What are the causes?

Answer 30

Weakness or tearing of the ligament and tendon

Question 31

# Swan Neck Deformity What is the possible treatments?

Answer 31

Splint/brace Surgery Joint replacement