Myasthenia Gravis Flashcards
1
Q
What is MG?
A
Neuromuscular junction disorder
2
Q
What causes MG?
A
Autoimmune antibody attack on acetylcholine receptors
3
Q
Main Characteristic of MG
A
Strength worse with continuing contraction, improved with rest
4
Q
Course of MG
A
Typically within 18 months
5
Q
Myasthenic Crisis
A
Respiratory failure - medical emergency
6
Q
Generalized myasthenia
A
Bulbar (extraocular, facial and muscles of mastication) and proximal limb girdle
7
Q
4 Types of MG
A
- Ocular Masthenia
- Mild
- Severe
- Crisis
8
Q
Muscle strength pattern in MG
A
Proxmal more involved than distal
9
Q
EMG of MG
A
Abnormal responses to repetitive nerve stimulation
