Peripheral Nerve Disease

Question 1

what is the flow from motor neuron to muscle fiber?

Answer 1

motor neuron- peripheral nerve- neuromuscular junction- muscle fiber

Question 2

Where do central nerves go?

Answer 2

in brain and spinal cord

Question 3

Pripheral nerves

Answer 3

spinal cords to hands, arms legs and feet

Question 4

autonomic nerves

Answer 4

from spinal cord to the lungs heart stomach bladder and sex organs

Question 5

What is the #1 cause of focal neuropathies?

Answer 5

trauma, #2 is entrapment

Question 6

poly neuropathy- glove stocking pattern

Answer 6

know this

Question 7

Diabetic neuropathies

Answer 7

Distal symmetric sensorimotor
Autonomic [20%; HR, GI/GU, respiratory, pupil]
Painful distal neuropathy with weight loss
Large fiber, ataxic
Neuropathy with glucose intolerance
Diabetic amyotrophy (proximal neuropathy)
Diabetic truncal neuropathy
Cranial neuropathy

Question 8

Tx of diabetic neuropathies:

Answer 8

Tight glycemic control
Orthostatic hypotension
--Lifestyle changes
--Fludrocortisone, DDAVP, midodrine
ED
Pain treatment (tramadol, oxycodone, gabapentin)

Question 9

Trigeminal neuropathty

Answer 9

adult
disabling, lacerating facial pain
V2 or V3 distribution
Sudden onset
paroxysmal
unilateral pain
not during sleep
provocable (talking, chewing and shaving)

Question 10

tx of trigeminal neuropathy:

Answer 10

anticonvulsants (carbazepine)

microvascular decompression

Question 11

Bell’s Palsy:

Answer 11

dull ache behind left ear
female
inability to smile
eyelid cannot close
cannot wrinkle forehead
dry eye
decreased tasted sensation

Question 12

tx of bells palsy:

Answer 12

oral prednisone

Question 13

Meralgia Paresthetica

Answer 13

lateral femoral cutaneous nerve (L2-L3)
compressed of stretched in obese or diabetic pts
pain at thigh unilaterally, relieved by sitting

hydrocortisone to treat