Drug to differentiate Myasthenia gravis
from cholinergic crisis?
a) Pyridostgmine
b) Edrophonium
c) Methacholine
d) Clonidine
Correct Answer - B
Ans. B. Edrophomium.
Edrophonium – Used as a diagnostic test for myasthenia.
Steps:
2 mg dose injected intravenously.
If no reaction occurs after 45 seconds, an additional 8 mg
administered.
If the patient has myasthenia gravis, an improvement i