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CHT exam prep – Hand Questions and Answers 100% Solved
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CHT exam prep – Hand Questions and Answers 100% Solved
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CHT exam prep – Hand Questions and Answers 100%Solved
What is a Rolando fracture? Correct Ans-Comminuted intra-articular fracture of the base
of the first metacarpal
What is Elson's test? Correct Ans-- assessing if central slip is injured
- place PIP in full flexion against opposite hand then asked patient to extend DIP. If they can
extend DIP then there is a central slip injury
How can you determine Boutonniere vs Pseudo-boutonniere deformity? Correct Ans--
Significant ORL tightness with Boutonniere, typically from DIP hyperextension
- Pseudo-Boutonniere DIP joint remains passively flexible, often from PIP hyperextension
injury, PIP flex contracture, neg ORL test, no central slip injury
What is a grade 1 ligament injury? Correct Ans-Damage to individual fibers, no loss of
stability or disruption of ligament
What is grade 2 ligament injury? Correct Ans-- partial disruption of ligament
- passively unstable
- actively stable through full ROM
What is a grade 3 ligament injury? Correct Ans-- dislocation
- complete disruption of ligament
, CHT exam prep – Hand Questions and Answers 100%
Solved
- actively and passively unstable
- avulsion fracture
PIP ROM accounts for how much motion when grasping? Correct Ans-85%
What is the most common ligament injury in the hand? Correct Ans-Collateral ligament
injury at PIP
Eaton classification type 1 for sprain/dislocations Correct Ans-hyperextension injury with
avulsion of volar plate and longitudinal tear of collateral ligaments, critical corners intact
Eaton classification type 2 for sprain/dislocations Correct Ans-Dorsal dislocation of the PIP
joint with avulsion of the volar plate with complete tear between the accessory and proper
collaterals
Eaton classification type 3 for sprain/dislocations Correct Ans-fracture with dorsal
dislocation with avulsed small fragment, <40% of articular surface, dorsal aspect of collateral
ligament remains attached to middle phalanx
Eaton classification type 4 for sprain/dislocations Correct Ans-Fracture dislocation with
fracture or impaction of the articular surface of more than 40%
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