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Related to Clonic seizure: Myoclonic seizure, Tonic clonic seizure


Irregular, alternating muscular contractions and relaxations.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



rhythmic contractions, in rapid succession, of single muscles or muscle groups. Clonus may be either spontaneous or provoked by external stimulation.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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This is not surprising since, in our study, ketamine or caffeine alone had no effect on the clonic seizure. Therefore, it is possible to assume that ketamine or caffeine had no interaction with sigma receptors in PTZ-induced clonic seizure.
The second case presents a 43 year-old man that was monitored in our clinic for epilepsy with generalized tonic clonic seizures. The patient was admitted for the evaluation of an anticonvulsant treatment.
However, it appears that the caraway oil is more effective than is cumin oil in delaying clonic seizure (275.6% vs.
Among the total number of cases the majority are generalised tonic clonic seizures i.e., 35%(15 out of 40) followed by status epilepticus and complex partial seizures each of 10%(4 out of 40).
Under the generalized epilepsy, generalized tonic clonic seizures are the commonest.
Simple Partial No first aid necessary unless seizure becomes convulsive; the first aid as outlined for generalized tonic clonic seizures No immediate action needed other than reassurance and emotional support.
Presentation is with prolonged focal clonic seizures usually in the setting of a febrile illness, with or without impairment of consciousness.
India) by her mother to "help her to go to sleep" with the recommendation of the family members, had generalized tonic clonic seizures one hour after ingestion (the first one lasted for 3-4 minutes and stopped spontaneously and the second one could be stopped only after 10 minutes with eight mg diazepam) and was referred to our hospital after the case was reported to the legal authorities.
Mean age at the onset of myoclonic jerks (MJ) and generalized tonic clonic seizures (GTCS) was 13.7 2.12 years and 14.15 1.79 years respectively.
Most of these children (11) had co-morbid epilepsy: generalized tonic clonic seizures (5); myoclonic seizure (2); electrical status epilepticus of sleep (1); and atypical absence (1).
Other types of generalized seizures are: tonic seizures which involve muscie rigidity but are not followed by a clonic phase; clonic seizures which involve violent rhythmic contractions but is not preceded by tonic phase; myoclonic seizures in which a person has brief involuntary jerking of the torso or extremities; and atonic seizures in which the skeletal muscles lose all tone causing the person to suddenly drop to the floor.