People with tonic clonic seizures (formerly known as grand mal seizures) that affect the entire brain are more likely to die suddenly than people with partial seizures that affect an area of the brain. (sciencedaily.com)
If the seizure involves the whole body of the dog, it is known as grand mal seizure and this is characterized by foaming at the mouth, drooling, twitching, and collapse. (mypetneedsthat.com)
But here is what I was taught in school: Seizures that put the whole body into severe muscle contractions, are called grand mal seizures. (2ndchance.info)