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Neurology · 10 min · Student

Status Epilepticus

The one-line truth

A seizure that lasts more than 5 minutes is status epilepticus (a seizure that will not stop) — a brain emergency that can kill cells if it is not stopped fast.

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Phase 1 · Understand the Body — Why the disease behaves the way it does.

The One-Line Truth

The whole disease in one chain

Everything on this page exists to explain this line.

A seizure that lasts more than 5 minutes is status epilepticus (a seizure that will not stop) — a brain emergency that can kill cells if it is not stopped fast.

A Car Stuck in Overdrive

Imagine a car's engine (the seizure neurons) with a gas pedal (glutamate) and a brake pedal (GABA). Normally, when you press the gas, the engine revs for a moment, then the brakes kick in automatically and slow it down — the engine stays healthy. In status epilepticus (a seizure that will not stop), the gas pedal gets stuck down and won't stop firing. The brake pedal (GABA receptors) gets yanked out of reach inside the car's dashboard, so stepping on it does nothing. Meanwhile, someone pours more gas into the tank (glutamate NMDA receptors flood the surface). The engine redlines continuously — it burns fuel impossibly fast, overheats to dangerous temperatures, and starts breaking down internally from the nonstop strain. Even if you try to pump the brakes (give seizure medicine), the brake pedal isn't where it should be anymore, so the car just keeps roaring. After 30 minutes of this, the engine's internal parts start to permanently fry from the heat and stress, no matter what you do.

Compare with a look-alike Print study sheet Full clinical PDF Patient teaching sheet

Neurocritical Care Society 2012 Guidelines · American Epilepsy Society · AAN (American Academy of Neurology) 2016 Practice Guideline · reviewed 2026-07-07

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