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.

What is a tonic-clonic seizure? This type of seizure (also called a convulsion) is what most people think of when they hear the word "seizure." An older term for this type of seizure is "grand mal." As implied by the name, they combine the characteristics of tonic and clonic seizures. Tonic means stiffening, and clonic means rhythmical jerking.

What is a tonic-clonic (grand mal) seizure? A tonic-clonic seizure is a type of seizure that causes strong muscle movements on both sides of your body, including convulsions. These are typically the best known and easiest to recognize seizures because of these movements.

2023年7月3日 · According to the recent classification from the International League Against Epilepsy (ILAE), they are categorized under seizures belonging to generalized in onset. Generalized onset seizures are further categorized into motor and non-motor (absence) seizures.

Tonic-clonic seizures, formerly known as grand mal seizures, comprise two stages: a tonic phase and a clonic phase. These intense seizures can be frightening to experience or observe, as extreme muscle spasms may temporarily arrest breathing.

A seizure that originates in both halves (hemispheres) of the brain simultaneously, causing stiffness or twitching throughout the body, is known as a generalized tonic or clonic seizure.

Tonic-clonic seizures are the type of epileptic seizure most people recognise. In the past they were called grand-mal seizures. Tonic-clonic seizures can have a generalised onset, meaning they affect both sides of the brain from the start. When this happens, the seizure is called a generalised tonic-clonic or bilateral convulsive seizure.

2020年11月17日 · Tonic-clonic seizures, formerly known as grand mal seizures, embodies the social idea of seizures with the strong convulsions and foaming at the mouth that are common symptoms of this type of electrical disturbance in the brain.

3 天之前 · EEG results show changes in brain activity. This may help diagnose brain conditions such as epilepsy and other seizure conditions. During a high-density EEG, flat metal discs …

2020年3月15日 · In an atonic seizure (or 'drop attack') the person’s muscles suddenly relax and they become floppy. If they are standing they often fall, usually forwards, and may injure the front of their head or face. Like tonic seizures, atonic seizures tend to …