EXAM STUDY MATERIALS July 26, 2024 9:30 AM
Dex IOT Day 5 Exam Questions With
Correct Answers
What tendon is harvested for Scapholunate reconstruction? - answerECRB (extensor carpi
radialis brevis)
Where is the insertion point of the ECRB? - answerBase of 3rd met
What suture should you use to ...
EXAM STUDY MATERIALS July 26, 2024 9:30 AM Dex IOT Day 5 Exam Questions With Correct Answers What tendon is harvested for Scapholunate reconstruction? - answer✔✔ECRB (extensor carpi radialis brevis) Where is the insertion point of the ECRB? - answer✔✔Base of 3rd met What suture should you use to whipstitch your tendon in a SL recon? - answer✔✔2-0 fiberloop How many guidewires come in the H&W IB? What size are they? - answer✔✔1.35 x3 What do you need to bring in addition to IB for an all -dorsal scapholunate? - answer✔✔An additional 3.5x8.5 SL What do you need to bring in addition to IB for an int erossoeus SL recon? - answer✔✔3x8 teno Lasso 3.5x8.5 dx swivelock What suture comes in hand and wrist IB? - answer✔✔1.3mm suturetape What is your bailout if the lunate tunnel is too short / small for a 3x8 teno screw? - answer✔✔If the length of the tunnel is less than 8 mm, the body from a 3.5 mm DX SwiveLock SL anchor can be used. The tunnel should be overdrilled with the 3.5 mm drill if this fixation method is preferred. What bones should you pin for post op scapholunate repair? - answer✔✔Scaphoid & capit ate What direction does proximal carpal row move if SL tear? - answer✔✔Scaphoid flexes volarly Triquetrum extends with lunate dorsally Indications to not repair SL ligament/ - answer✔✔inflammatory arthritis, previous and/or current infection, carpal arthrosis (SLAC wrist), irreducible carpus, pediatric patients, preexisting hardware in the carpal bones, large cystic changes in the carpal bones, and patients with unusually small anatomy. How many mm of threads are on 3.5x8.5 anchor? - answer✔✔4mm what are the 3 zones of the scaphoid? - answer✔✔- distal pole - waist EXAM STUDY MATERIALS July 26, 2024 9:30 AM - proximal pole surgical treatment is indicated for which of the following f indings on scaphoid fracture's? - answer✔✔- displacement greater than 1mm - angulation greater than - comminuted fractures the transverse carpal ligament attaches to what two structures on the radial side? - answer✔✔scaphoid and trapezium what nerve is re sponsible for sensory information of the tip of the index and long finger of the hand? - answer✔✔median what area of the hand does the median nerve give sensory information? - answer✔✔palmar aspect of the thumb, index, long finger, and radial half of the r ing what anatomic structure sets the floor for carpal tunnel? - answer✔✔proximal carpal row what is the significance of identifying kaplan's cardinal line when using the nanoscopic centerline for ECTR? - answer✔✔identifies distal margin of transverse carpa l ligament when doing ECTR what is the main reason a surgeon should avoid making an incision between the flexor carpi radialis and palmar longus tendon? - answer✔✔they run the risk of innjuring the palmart cutaneous branch of the median nerve what position is the thumb while tensioning the internal brace? - answer✔✔30 degrees flexion Skier's Thumb - answer✔✔- acute tear of UCL - outside force cause - causes valgus stress of metacarpal Steiner Lesion - answer✔✔UCL kicked from abductor AP neurosis Acute injur y Palpable mass / edema Gamekeeper's thumb - answer✔✔Chronic attenuation or overuse of UCL > pain and instability Timeline of UCL with IB versus without? - answer✔✔Range of motion within 1st week Strengthening by 2 weeks (with IB) versus ROM 3 -4 weeks, st rengthening at 6 weeks What allows pinch grasp? - answer✔✔UCL + collateral ligaments What are the three ranges of motion for CMC? - answer✔✔adduction -abduction, flexion -
extension and axial rotation.
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