Drug used for ameliorative test for Myasthenia gravis is: (A) Edrophonium, (B) Physostigmine, (C) Tacrine, (D) Pyridostigmine
Answer is A. KDT 6/e p 104 Drug used in ameliorative test(tensilon test) for Myasthenia gravis is edrophonium. it is a cholinergic drug and can be used for diagnosis of Myasthenia gravis because of a sho duration of action(10-30 min)