Peripheral Neuropathy Flashcards
1
Q
What is peripheral neuropathy
A
describes any damage to peripheral nerves
can be acute or chronic
2
Q
who gets peripheral neuropathies
A
2% of people
50% of those who have been diabetic for 25+ years
3
Q
what are the 5 main causes/ risk factors of peripheral neuropathies
A
DAVID Diabetes Alcoholism Vitamin B12 deficiency Infective Drugs e.g. isoniazid (TB treatment)
4
Q
what are the clinical features of the 3 types of peripheral neuropathy
A
sensory:
- loss of sensation, proprioception, temp detection
- loss of coordination
- pain
motor:
- muscle weakness, wasting, paralysis
- muscle twitching and cramps
autonomic:
- dizziness and fainting
- reduced ability to sweat
- heat intolerance
- loss of bladder control, constipation
5
Q
how do you investigate peripheral neuropathy
A
nerve conduction test
- small metal wires placed on skin that release tiny electric shocks to stimulate your nerve
- speed and strength of signal is measured
Electromyography
- same thing but measures electrical activity of your muscles
glucose test for diabetes
vitamin b12 test to check for deficiency
u and es to check for electrolyte imbalance
6
Q
how do you manage peripheral neuropathy
A
treat underlying condition
control symptoms:
- anticonvulsants e.g. gabapentin, prcegablin
- tricyclic antidepressants e.g. amitryptiline
