Diagnosis of myasthenia gravis is done by using: (A) Edrophonium, (B) Neostigmine, (C) Succinylcholine, (D) Atropine
Answer is A. (Ref: KDT 6/e p104) Myasthenia gravis can be differentiated from cholinergic crisis with the help ot a sho acting anticholinesterase agent, edrophonium. It improves the symptoms in mvasthenia gravis whereas worsens the condition in cases of cholinergic crisis. Neostigmine is used for the treatmet of myasthenia.