Dette var dog ikke evident ud fra kliniske forsøg med Optimark.  Lidelser i centralnervesystemet Sandsynligheden for krampeanfald under undersøgelsen er muligvis højere hos patienter, der lider af epilepsi eller hjernelæsioner.
However, these were not evident from clinical trials with Optimark.  Central nervous system disorders In patients suffering from epilepsy or brain lesions the likelihood of convulsions during the examination may be increased.