Myaesthenia gravis is diagnosed by (REPEAT): (A) Succinylcholine, (B) Neostigmine, (C) Atropine, (D) Tensilon
Answer is D. Tensilon is also known as edrophonium .as it is sho acting it is used to diagnose or differentiate the cause of muscle paralysis-cholinergic vs myasthenia crisis Ref: KDT 6th ed pg 104