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  1. Tonic-clonic (grand mal) seizure - Symptoms and causes

    Feb 1, 2025 · Overview 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 …

  2. Seizures - Symptoms and causes - Mayo Clinic

    Nov 1, 2024 · Tonic-clonic seizures last for several minutes. Tonic-clonic seizures may start as focal seizures that spread to involve most or all of the brain. Seizure stages Seizures can have a …

  3. Tonic-clonic (grand mal) seizure - Mayo Clinic

    Feb 1, 2025 · Living with tonic-clonic (grand mal) seizure? Connect with others like you for support and answers to your questions in the Epilepsy & Seizures support group on Mayo Clinic Connect, a …

  4. Epilepsy - Symptoms and causes - Mayo Clinic

    Oct 14, 2025 · Tonic-clonic seizures, previously known as grand mal seizures, are the most dramatic type of epileptic seizure. They can cause a sudden loss of consciousness and body stiffening, …

  5. Convulsión tónico-clónica (gran mal) - Mayo Clinic

    Feb 1, 2025 · Una convulsión tónico-clónica, antes conocida como convulsión de tipo gran mal, causa una pérdida de conciencia y contracciones musculares violentas. Es el tipo de convulsión que la …

  6. Explaining epilepsy - Mayo Clinic

    Apr 28, 2023 · Clonic seizures usually affect the neck, face and arms with repeated jerking movements. Similar to clonic seizure, myoclonic seizures involve sudden brief jerks or twitches of the arms.

  7. Convulsión tónico-clónica (gran mal) - Mayo Clinic

    Feb 1, 2025 · Después de una convulsión, acude a un profesional de atención médica para que revise por completo tus síntomas y tus antecedentes médicos. Es posible que necesites varias pruebas …

  8. Absence seizure - Symptoms and causes - Mayo Clinic

    Jan 21, 2025 · Absence seizures usually can be managed with antiseizure medicines. Some children who have them also develop other seizures, such as generalized tonic-clonic seizures or myoclonic …

  9. Levetiracetam (oral route) - Side effects & dosage - Mayo Clinic

    Dec 1, 2025 · Levetiracetam is used alone or together with other medicines to help control certain types of seizures (eg, partial-onset seizures, myoclonic seizures, or tonic-clonic seizures) in the treatment …

  10. 强直阵挛性发作(癫痫大发作) - 症状与病因 - 妙佑医疗国际

    Feb 1, 2025 · 症状 强直阵挛性癫痫发作有两个阶段: 强直期。 通常,处于强直期的患者会发出声音,例如呻吟或大喊。肌肉突然变僵硬,导致患者跌倒。出现意识丧失。这个阶段通常会持续约 10 至 20 …