Seddon Classification of Nerve Injury Flashcards
1
Q
What are the three types of nerve injury described by seddon?
A
Neuropraxia
Axonotmesis
Neurotmesis
2
Q
What is a neuropraxia?
A
The nerve is put under pressure but the endoneurium and axon are intact
3
Q
What doesn’t happen in neuropraxia?
A
Wallerian degradation
4
Q
What is recovery like for neuropraxia?
A
Quick and good
5
Q
What is an axonotmesis?
A
The axon is damaged but the endoneurium remains intact
6
Q
What happens in axonotmesis?
A
Wallerian degredation but
The axon does regrow 1mm per day
7
Q
What is a neurotmesis?
A
The entire nerve is divided
8
Q
What happens after a neurotmesis?
A
Wallerian degradation
NEUROMA FORMATION
