Tonic-clonic (grand mal) seizure - Symptoms and causes
2023年12月12日 · A tonic-clonic seizure, previously known as a grand mal seizure, causes a loss of consciousness and violent muscle contractions. It's the type of seizure most people picture when they think about seizures.
Tonic and Clonic Seizures - Johns Hopkins Medicine
Tonic and clonic seizures can start on one side of the brain (partial or focal seizures), or on both sides of the brain simultaneously (generalized). Tonic and clonic seizure activity can happen in the same seizure.
Tonic-Clonic (Grand Mal) Seizure - Cleveland Clinic
2022年4月13日 · The term “tonic-clonic” refers to the two phases of these seizures, with the initial tonic phase involving widespread tensing up of muscles in your arms and legs and then the clonic phase involving convulsions. What is the difference between a tonic-clonic seizure vs. other seizure types and epilepsy?
Tonic-Clonic (Grand Mal) Seizures - Johns Hopkins Medicine
Tonic-clonic seizures involve both tonic (stiffening) and clonic (twitching or jerking) phases of muscle activity. Tonic-clonic seizures may start with a simple partial seizure or aura. The person may experience changes in sensation, mood or emotion leading up to the tonic-clonic seizure.
Types of Seizures - Johns Hopkins Medicine
Tonic-clonic seizures can evolve from any of the focal or generalized seizure types. For example, a focal seizure can spread to both sides of the brain and cause tonic-clonic seizures. A cluster of myoclonic seizures can become continuous and evolve into a tonic-clonic seizure.
Tonic-clonic (grand mal) seizure - Diagnosis and treatment - Mayo Clinic
2023年12月12日 · The EEG may reveal a pattern that tells whether a seizure is likely to occur again. EEG testing also may help exclude other conditions that could cause a seizure. Computerized tomography (CT) scan. A CT scan uses X …
Tonic-Clonic Seizures - Epilepsy Foundation
Tonic-clonic seizures can start in one or both sides of the brain. When they start in both sides of the brain, they are called generalized onset motor seizures or a generalized tonic-clonic seizure. Both terms mean the same thing.
Clonic Seizures: Symptoms, Features, Treatments - Healthline
2023年5月17日 · Takeaway. Clonic seizures cause rhythmic jerking and twitching of your muscles. They are most common in babies but can happen to anyone. Joe Amon/Getty Images. A seizure is a sudden burst of...
Tonic-Clonic (Grand Mal) Seizure - Cedars-Sinai
Overview. A tonic-clonic seizure, also called a grand mal seizure, causes violent muscle contractions and loss of consciousness. These are the types of seizures most people know about, and what they usually picture when they think about seizures in general.
Grand Mal Seizure, Tonic-Clonic Seizure - Yale Medicine
Definition. A grand mal seizure, also known as a tonic-clonic seizure, is a type of seizure characterized by a sudden loss of consciousness, muscle stiffness (tonic phase), and rhythmic jerking movements (clonic phase).