Chapter 25 - PNS

Question 1

Guillain-Barre

Answer 1

• Rapidly evolving motor paresis, paralysis, and sensory deficits
• “Ground to Brain”
• Maximal weakness in 2-4 weeks, but spend months recovering

Question 2

Myasthenia Gravis

Answer 2

• Autoimmune disorder at neuromuscular junction and motor endplate.
• Fluctuating weakness and fatigability of skeletal muscles
• Diplopia and ptosis
• Chewing meat produces fatigue
• Sensation and DTRs intact

Question 3

Complex Regional Pain Syndrome

Answer 3

• Pain greater than expected for the degree of injury
• Pain spread from local to regional distribution
• Spontaneous burning sensations with an intensity that does not match stimulus