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What is the sequence of events of tonic-clonic seizures?

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  • The person may become unresponsive. She doesn't answer if you call. She won't react if you wave a hand in her face or shake her. She may suddenly collapse.
  • Her muscles clench and she becomes rigid as a board. This is the tonic phase. It lasts a few seconds.
  • Next, a series of jerking movements convulse her body. This is the clonic phase. It can last a few seconds or several minutes.
  • Eventually, the jerking stops and she regains consciousness. She may be confused or disoriented for a short period.

From: What to Do When Someone Has a Seizure WebMD Medical Reference

SOURCE:

Epilepsy Foundation: "First Aid."

Reviewed by Neil Lava on April 08, 2019

SOURCE:

Epilepsy Foundation: "First Aid."

Reviewed by Neil Lava on April 08, 2019

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