Hand Trauma
A 28-year-old chef sustains a laceration to the volar aspect of his ring finger at the level of the proximal phalanx from a knife accident. He cannot flex the DIP joint and has weak PIP flexion. There is no sensation on the ulnar digital side of the finger. The wound is clean and less than 6 hours old. Regarding flexor tendon injuries:
Mark each as TRUE or FALSE
Flexor tendon zones in the finger: Zone I (distal to FDS insertion - only FDP), Zone II (A1 pulley t...
The pulley system maintains tendon excursion efficiency; critical pulleys are A2 (over proximal phal...
Flexor tendon injuries should be treated non-operatively; Zone II injuries have the best outcomes; a...
Repair principles: primary repair within 24 hours ideal (up to 2-3 weeks acceptable); core suture te...
Rehabilitation protocols: early motion critical to prevent adhesions; Duran passive motion (protecte...
Answer the questions to see explanations
Click T (True) or F (False) for each option