I dont know if I have spinal myoclonus but mine is multifocal head to heal even soft pallet and asofical tremores found out from upper gi at rest trenors and well alot but I am most worried about back dose mri come back good mine dose the only test I think I havent had it lp so very painfullI take alot of meds siniment ,nerptin soma clozapam norco,ultram ect Tonijo