Myasthenic crisis, or respiratory failure requiring intubation and mechanic
al ventilation, may be caused by infections, aspiration, physical and emoti
onal stress, and changes in medication. Although no single factor determine
s the. need for respiratory support, all patients with questionable respira
tory status should be admitted to the ICU, Because management of crisis inc
ludes treatment: of the underlying myasthenia gravis, a neurologist should
share in any decisions regarding care.