Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
|
Phalangeal fractures include: |
1 tuft fractures 2 shaft fractures |
|
|
Tuft fractures are usually... |
comminuted |
|
|
Shaft fractures are usually... |
angulated + displaced due to the influence of the ligaments. |
|
|
Phalangeal fractures are best seen... |
on a lateral view. |
|
|
Dorsal or volar (anterior) avulsion fractures occur... |
Where the ligaments are attached. |
|
|
Hyperextension injuries (of the finger) result in... |
dorsal dislocations |
|
|
Multiple #s: Crush injury to digit 2 3rd digit PIP dislocation |
|
|
A baseball finger or mallet finger refers to... |
A dorsal intra-articular avulsion fracture at the base of the distal phalanx. |
|
|
Etiology of a mallet finger: |
Forceable flexion of an extended finger. Ex: baseball coming full force and hitting the tip of your finger causes your finger to hyperflex, resulting in a fracture. |
|
|
Mallet Finger |
|
|
A boxer’s fracture occurs at... |
Neck of the 5th metacarpal sometimes 4th metacarpal is affecte |
|
|
Etiology of a boxer's fracture: |
Mechanism of injury is an impact with a closed fist. The rotation with the punch causes the fracture. |
|
|
boxer # |
|
|
bennet's # |
|
|
Description of a Bennett’s fracture: |
oblique intra-articular # of the base of MC1 There is dorsal subluxation or dislocation of the first metacarpal, as it is drawn proximal. The proximal portion of the metacarpal base remains in almost a normal position. |
|
|
Etiology of a Bennett's #: |
Direct impact along long axis + hyper extension / abduction of the thumb or axial force applied directly to the metacarpal |
