A series of convulsions without any regaining of consciousness between them.

This condition may be seen in palliative care patients under care for brain tumors, cerebro-vascular accidents, particularly involving hemorrhages, encephalitis, and barbiturate addicts whose drugs are withdrawn suddenly.
It can be fatal for the patient and extremely distressing for relatives observing it.
Treatment consists of anti-convulsants intravenously, maintenance of an airway, oxygen and, after controlling the fits, diagnosis of the cause and prescribing appropriate anti-convulsant therapy.

Woodruff R. Palliative Medicine: evidence-based symptomatic and supportive care for patients with advanced cancer. 4th ed. London. Oxford University Press. 2004. pp. 376-8.