Trigger Finger

Question 1

What is trigger finger?

Answer 1

Condition a/w abnormal flexion of digits

Question 2

What is thought to cause trigger finger?

Answer 2

Disparity between size of tendon and pulleys through which they pass (i.e. tendon becomes stuck and can’t pass smoothly through the pulley)

Question 3

What are associations w/ trigger finger?

Answer 3

Idiopathic in most
More common in women
RA
DM

Question 4

What are features of trigger finger?

Answer 4

More common in thumb, middle or ring finger
Initial stiffness and snapping (trigger) when extending a flexed digit
Nodule may be felt at base of affected finger

Question 5

Mx of trigger finger?

Answer 5

Steroid injection works in most
Finger splint if needed afterwards

CONSIDER
Surgery in pts who don’t respond to steroid injections