Trigger Finger Flashcards
1
Q
Also called
A
Stenosing tenosynovitis
2
Q
AETIOLOGY
Pathophysiology
A
- Flexor tendons pass thought shealths along length of fingers (tunnels)
- In trigger finger thickening of tendon or tightening of sheath preventing the tnedon from smoothly moving through sheath when finger is flexed and extended, causing pain and stiffness
3
Q
What parts of sheath are most commonly affected
A
- First annular pulley (A1) at MCP joint
4
Q
AETIOLOGY
Risk factors
A
- In 40s or 50s
- Woman
- Diabetes
5
Q
CLINICAL FEATURES
Presentation
A
- Troublesome finger that
- Is painful and tender, usually around MCP joint on palm side
- Does not move smoothly
- Makes popping or clicking sound
- Gets stuck in flexed position
- Symptoms typically worse in morning and improve during day
