Seizure: Difference between revisions

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* Seizure is an [[Entities list|Entity]], that is characterized with abnormally excessive or synchronous neuronal activity in the brain.
* Seizure is an [[Entities list|Entity]], that is characterized with abnormally excessive or synchronous neuronal activity in the brain.
* We have a lot of seizure. They are all disease which have a common entity, which is named Seizure.
* We have a lot of seizure. They are all disease which have a common entity, which is named Seizure.
* Since Seizure entity could be mistaken with Seizure diseases, I name them with such a suffix to prevent that problem  
* Since [[Seizure entity]] could be mistaken with Seizure diseases, I name them with such a suffix to prevent that problem  
** Tonic-clonic seizure: Involuntary shaking movements involving much of the body with loss of consciousness
** Tonic-clonic seizure: Involuntary shaking movements involving much of the body with loss of consciousness
** [[Focal seizures|Focal seizure]]: Shaking only parts of body with variable levels of consciousness
** [[Focal seizures|Focal seizure]]: Shaking only parts of body with variable levels of consciousness
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=== Seizure diease ===
*
 
* 60% of seizures are convulsive which involve involuntary muscle contractions.
* Remaining 40% of seizures are non-convulsive E.G [[Absence seizure]]
 
* One-third begin as generalized seizures from the start, affecting both hemispheres of the brain and impairing consciousness.
* Two-thirds begin as focal seizures which may progress to generalized seizures.
 
 
==== Aura ====
 
* Certain experiences, known as auras often precede focal seizures.
* The seizures can include sensory (visual, hearing, or smell), psychic, autonomic, and motor phenomena depending on which part of the brain is involved.
* Muscle jerks may start in a specific muscle group and spread to surrounding muscle groups in which case it is known as a [[Jacksonian march]].
* [[Automatism|Automatisms]]
 
 
=== Main types of generalized seizures ===
# '''Tonic-clonic''': They occur with a contraction of the limbs followed by their extension and arching of the back which lasts 10–30 seconds (the tonic phase). A cry may be heard due to contraction of the chest muscles, followed by a shaking of the limbs in unison (clonic phase).
# '''Tonic''': Constant contractions of muscles + Cyanosis due to stopped breathing
# '''Clonic''': Unison shaking of limbs
# '''Myoclonic''': Very brief spasms of muscles in either a few areas or all over, may cause the person to fall.
# '''Absence''' / [[Focal seizures|'''Focal seizure''']]: Subtle with only a slight turn of head or eye blinking + Impaired consciousness
# '''Atonic seizures''': Losing muscle activity for greater than one second, typically occurring on both sides of the body.
#Rarer seizure types: Involuntary unnatural laughter ('''Gelastic'''), crying ('''Dyscrastic'''), or more complex experiences such as '''déjà vu'''.
#'''Reflex seizures''': About 6% Seizures that are triggered by specific events 
#'''[[Sleep seizures]]''': They happen more often during sleep or only when sleeping.
 
 
 
 
=== Post-ictal ===
 
* It is typically a period of recovery during which there is confusion, before a normal level of consciousness returns.
* It usually lasts 3 -15 minutes but may last for hours.
* Other common symptoms include Feeling tired, Headache, Difficulty speaking, and Abnormal behavior.
* [[Psychosis]] is common (6–10%)
* Often people do not remember what happened during this time.
* Todd's paralysis (Localized weakness) may also occur after a focal seizure





Revision as of 05:00, 13 April 2023

Clinic

  • Seizure is an Entity, that is characterized with abnormally excessive or synchronous neuronal activity in the brain.
  • We have a lot of seizure. They are all disease which have a common entity, which is named Seizure.
  • Since Seizure entity could be mistaken with Seizure diseases, I name them with such a suffix to prevent that problem
    • Tonic-clonic seizure: Involuntary shaking movements involving much of the body with loss of consciousness
    • Focal seizure: Shaking only parts of body with variable levels of consciousness
    • Absence seizure: Subtle momentary loss of awareness


  • Mostly, these episodes last less than two minutes and it takes some time to return to normal.
  • Loss of bladder control may occur.

Seizures may be

  • Provoked: Due to Hypoglycemia, Hyponatremia, Alcohol withdrawal, Medication, Fever, Brain infection or Concussion.
  • Conditions that look like epileptic seizures but are not include: Fainting, Non-epileptic psychogenic seizure and Tremor.



Psycho social accompaniments

Certain disorders occur more often in people with epilepsy, depending partly on the epilepsy syndrome present. These include