Often, the edrophonium test is negative, particularly in ocular myasthenia gravis. Myasthenic weakness is often improved by cold. We applied ice packs to the eye in 10 myasthenic patients and 7 ...

Multiple tests can be used to diagnose myasthenia gravis, including the edrophonium test, ice pack test, rest test, electromyography, fiber exam, and a specialized blood test. Several ...