5. Wrist and Hand Flashcards

1
Q

On a lateral view of the wrist, what bones are you gonna see that show a normal alignment. What does a lateral view mean?

A

A lateral view means a view of the side of the wrist on the thumb side bc thumb= lateral.
On this side, the radius which is the bigger bone out of the two forearm bones at the distal end. This is a saucer on which the cup= Lunate sits. Which contains the apple= Capitate sitting under the 2nd metacarpal.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the oblique view- angled 45’ AP view used for

A

This is a better view for minimally displace fracture at 4 or 5th Metacarpal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the Ball catcher’s view and what is it for

A

Looking up at the hands rested in a bowl open shape. Used for investigation of rheumatoid arthritis at PIPJ and MCPJ)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the signs of a Scaphoid fracture and why is it important to do repeat x rays of this region in the next week, requiring a full set of scaphoid view

A

Scaphoid fracture: pain at base of thumb, tenderness in the anatomical snuffbox.

This is important to see because it can lead to avascular necrosis and other negative outcomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the boxer’s fracture

A

Fracture at the 5th Metacarpal, distally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the defining features of Colles Fracture

A

It is the most common distal radial fracture in any adult group due to FOOSH, which affects osteoporosis.
-Leads to a dorsal angulation of Distal radius at the wrist joint +/- impaction.

-in 50% also Ulnar styloid fracture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the signs of a Scapholunate dissociation and why is it important

A

The 3-4 mm gap between the scaphoid and lunate: terry thomas sign. Important bc significant ligamentous wrist injury from disruption of scapholunate ligament. Instability caused is the leading cause of SLAC wrist

How well did you know this?
1
Not at all
2
3
4
5
Perfectly