Upper Limb Injuries Flashcards
What is a Monteggia fracture?
Fracture of the proximal third of the ulna (angulated dorsally) with anterior dislocation of the proximal head of the radius
What is a Galeazzi fracture?
Fracture of the distal third of the radius with dislocation of the distal radioulnar joint (shortening of distal ulna)
What is a posterior fat pad sign pathognomonic of?
Elbow fracture
What is a Colles’ fracture?
Fracture of distal radius with dorsal angulation and impaction (posterior displacement) of distal fragment
What is a Smith’s fracture?
Fracture of distal radius with volar angulation of the distal fracture fragments
What is the associated nerve injury for Colles’ and Smith’s fractures?
Median nerve injury
With what type of fracture is a dinner fork deformity associated with?
Colles’ fracture
What is the MOI of a Colles’ fracture?
Extension fracture of the radius (FOOSH)
What is the MOI of a Smith’s fracture?
Flexion fracture of the radius
What are the two MOIs of a Monteggia fracture?
- FOOSH with forearm in excessive pronation
- Direct blow on back of upper forearm
What is the MOI of a Galeazzi fracture?
FOOSH with elbow flexed
What are the two MOI of elbow fractures?
- FOOSH
- Fall on flexed elbow
What is the typical elbow fracture in children?
Medial condyle
What nerve injury is typically associated with elbow fracture?
Ulnar nerve
What sign indicates ulnar nerve palsy?
Froment’s sign (reduced pinch grip)
What type of elbow dislocation is more common?
Posterior
What is the MOI of posterior elbow dislocations?
FOOSH
What is the MOI of anterior elbow dislocations?
Fall on flexed elbow