Diagnostic problems in (ocular) myasthenia

Electromyographic assessment of fatiguability and recovery of orbicularis oculi in myasthenia gravis.

“…For the electrophysiological diagnosis of ocular myasthenia gravis EMG of the extraocular muscles is said to be necessary and has been shown to be useful (Bastiaensen et al 1979). Unfortunately, stable EMG recording from these small muscles is technically difficult.…”