NEET PG Medical – 2019 – Question – 83
Drug to differentiate Myasthenia gravis from cholinergic crisis?
a) Pyridostgmine
b) Edrophonium
c) Methacholine
d) Clonidine
Show Answer
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 in muscle strength lasting for about 5 minutes usually observed.
