9. Intro to Surgery of the Hand Flashcards
1
Q
Dupuytren’s disease
- Description
- Causes
A
Thickening/fibrosis of fascia
Contracture
Causes
-genetic, smoking, alcohol, diabetes/epilepsy
2
Q
Trigger fingers
A
- Tendon catches at mouth of A1 pulley (flexors)
- Due to degenerative nodules
- thickening of sheath
3
Q
Thenar muscles (4)
A
- Flexor pollicis brevis
- Abductor pollicis brevis
- opponens
- Adductor (doesnt really count as thenar supplied by ulnar)
4
Q
Carpal tunnel signs (3)
A
Thenar wasting
Loss of abduction
Loss of opposition
5
Q
Cubital tunnel syndrome
A
Ulnar nerve compression at elbow
6
Q
Palmar interossei muscle
A
- 3
- PAD
- on the palmar surfaces of the 2nd, 4th and 5th metacarpals
- Insertion to proximal phalanx
- ulnar nerve
7
Q
Dorsal interossei muscle
A
- 4
- DAB
- between the metacarpals 2nd-4th fingers
- Insertion to proximal phalanx
- ulnar nerve
8
Q
What do the short hand muscles do?
A
lumbricals, dorsal and palmar interosseus muscles
-Flex MCP joints and extend IP joints
9
Q
Ulnar nerve signs
A
Wasted hypothenar web spaces
Paradoxical wasting thenar
Forearm wasting
Clawing of digits
10
Q
3 signs or carpal tunnel
A
Thenar wasting
Loss of abduction
Loss of opposition
11
Q
de Quervain’s disease
A
Triggering and pain of thumb extensors
