Flashcards in Fractures Deck (11):
Fracture of the surgical neck of the humerus
Can damage the axillary nerve and posterior circumflex artery
Causes paralysis of the deltoid and teres minor, loss of abduction of the arm.
Loss of sensation at the regimental badge region
Mid-shaft fracture of the humerus
Can damage the radial nerve and profunda brachii
Causes paralysis of the extensor muscles and therefore cause 'wrist drop'
Sensory loss over the dorsal surface of the hand.
Distal humeral fracture
Supraepicondylar fracture can damage the brachial artery and medial/radial/ulnar nerves.
Causes Volkmann's ischaemic contracture where the flexor muscles are shortened
Medial epicondyle fracture can damage the ulnar nerve, causing ulnar claw (hyperextension of the metacarpophalangeal joints and flexion of the interphalangeal joints)
Sensory loss over the medial 1 1/2 fingers over the palmar and dorsal surfaces.
Proximal shaft of the ulna is fractured, the head of the radius dislocates anteriorly
Distal radius is fractured with dislocation of the ulna. Can damage the radial/posterior interosseus nerve.
Loss of pinch mechanism as flexor pollicis longus and fexor digitorum profundus are paralysed
Causes pain and tenderness in the anatomical snuffbox
Blood supply to the proximal part of the bone which can cause avascular necrosis.
If undiagnosed, are likely to develop wrist arthritis.
Fracture to the distal radius with posterior displacement
Fracture to the distal radius with anterior displacement
Fifth metacarpal base neck fracture.
Distal part is displaced posteriorly producing shortening.
Causes hyperextension at the wrist
Can be associated with median nerve damage.