Drop seizure

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Drop Seizure

Adrop seizure, also known as anatonic seizure, is a type of seizure characterized by a sudden loss of muscle tone. This can lead to the person suddenly collapsing or "dropping" to the ground. Drop seizures are a type of generalized seizure, meaning they affect both sides of the brain from the onset.

Clinical Presentation[edit | edit source]

Drop seizures are marked by a sudden and brief loss of muscle tone. This can result in the person:

- Falling to the ground - Dropping objects they are holding - Nodding their head involuntarily

The duration of a drop seizure is typically very short, often lasting less than 15 seconds. Despite their brevity, these seizures can lead to significant injury due to falls.

Causes[edit | edit source]

Drop seizures are often associated with certain types of epilepsy, such as Lennox-Gastaut syndrome and Dravet syndrome. They can also occur in individuals with other neurological conditions.

Diagnosis[edit | edit source]

The diagnosis of drop seizures involves a combination of clinical evaluation and diagnostic testing. Key steps include:

-Medical History and Physical Examination: A detailed history of the seizure events and a neurological examination. -Electroencephalogram (EEG): This test records the electrical activity of the brain and can help identify abnormal patterns associated with seizures. -Neuroimaging: Techniques such as MRI or CT scan may be used to identify structural abnormalities in the brain.

Treatment[edit | edit source]

Treatment of drop seizures typically involves the use of antiepileptic drugs (AEDs). Common medications include:

-Valproic Acid -Lamotrigine -Rufinamide

In some cases, additional treatments such as the ketogenic diet, vagus nerve stimulation, or surgery may be considered.

Complications[edit | edit source]

The primary complication of drop seizures is the risk of injury from falls. Protective headgear may be recommended for individuals who experience frequent drop seizures to prevent head injuries.

Prognosis[edit | edit source]

The prognosis for individuals with drop seizures varies depending on the underlying cause and response to treatment. Some individuals may achieve good seizure control with medication, while others may continue to experience frequent seizures.

Also see[edit | edit source]

- Epilepsy - Seizure types - Lennox-Gastaut syndrome - Dravet syndrome


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Contributors: Prab R. Tumpati, MD