Tonic clonic seizure are a type of generalized seizure affecting the entire brain.
They are formerly known as grand mal seizures or gran mal seizures.
- loss of consciousness
- stiffening of the body (tonic phase)
- rhythmic jerking movements or convulsions (clonic phase.)
The Epilepsy Foundation of San Diego County. 2009. Common Epilepsy Terms. Retrieved June 26, 2009 from http://www.epilepsysandiego.org/common_terms.htm