briefly describe anatomy of trigger finger?
2 tendons to each finger, they run in sheaths - when these sheaths thicken, a pulley is created - swelling in tendon catches on the pulley created
M:F?
F>M
which fingers are most commonly affected?
ring > thumb > middle
4 associations of TF?
local trauma, RA, DM, gout
4 signs for recognising TF?
1 - clicking sensation with movement of digit, 2 - lump in palm under pulley, 3 - use other hand to unlock finger, 4 - clicking progressing to locking
how to diagnose TF?
palpable lump in palm over A1 pulley, feel the triggering around the A1 pulley
2 non-operative treatments?
splintage, steroids
2 operative treatments?
percutaneous release, open surgery