LMN Features and NMJ Patterns

This episode covers Chapter 13 of Rosen's Emergency Medicine.

Episode Overview:

1. Compare upper motor neuron (UMN), lower motor neuron (LMN), and neuromuscular junction (NMJ) causes of weakness
2. List 10 neuromuscular causes of weakness and describe their basic pathophysiologic mechanism
3. What are warning signs of impending respiratory failure in a patient with neuromuscular weakness?

Wisecracks

1. List seven non-emergent causes of peripheral neuropathy
2. What are some causes of non-neuromuscular weakness?
3. Clinical pearls for the weak patient