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epilepsy [2023/11/08 16:11] – kevinepilepsy [2023/11/10 14:50] (current) – kevin
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 {{tag>Related}} ====== Epilepsy: An Overview of Types ====== {{tag>Related}} ====== Epilepsy: An Overview of Types ======
  
-Epilepsy is a [[https://www.who.int/news-room/questions-and-answers/item/mental-health-neurological-disorders|neurological disorder]] **characterised by the propensity for recurrent, unprovoked seizures**, which are transient occurrences of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain. The disorder encompasses a spectrum of conditions with varying aetiologies, clinical presentations, and seizure types. +Epilepsy is a neurological disorder[(Neurological disorder[[https://www.who.int/news-room/questions-and-answers/item/mental-health-neurological-disorders]])]  **characterised by the propensity for recurrent, unprovoked seizures**, which are transient occurrences of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain. The disorder encompasses a spectrum of conditions with varying aetiologies, clinical presentations, and seizure types. 
  
 In the absence of expert medical advice and appropriate oversight, individuals with a documented history of epilepsy must be precluded from receiving any form of Integral Eye Movement Therapy (IEMT). This contraindication arises from the necessity to mitigate potential risks and ensure the safety and well-being of the client, as such therapies may provoke seizures in susceptible individuals.  In the absence of expert medical advice and appropriate oversight, individuals with a documented history of epilepsy must be precluded from receiving any form of Integral Eye Movement Therapy (IEMT). This contraindication arises from the necessity to mitigate potential risks and ensure the safety and well-being of the client, as such therapies may provoke seizures in susceptible individuals. 
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 ==== Classification Based on Seizure Type ==== ==== Classification Based on Seizure Type ====
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 The primary classification of epilepsy is determined by the **type of seizure**, which is categorised into two main groups: The primary classification of epilepsy is determined by the **type of seizure**, which is categorised into two main groups:
  
-  * **[[https://epilepsysociety.org.uk/about-epilepsy/epileptic-seizures/seizure-types|Focal Seizures]]**: Originating within networks limited to one hemisphere. These are subdivided based on the level of consciousness:+  * **Focal Seizures[(Focal Seizures[[https://epilepsysociety.org.uk/about-epilepsy/epileptic-seizures/seizure-types]])]**: Originating within networks limited to one hemisphere. These are subdivided based on the level of consciousness:
     * **With Retained Awareness**: Formerly known as simple partial seizures.     * **With Retained Awareness**: Formerly known as simple partial seizures.
     * **With Impaired Consciousness**: Previously referred to as complex partial seizures.     * **With Impaired Consciousness**: Previously referred to as complex partial seizures.
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   * **Generalised Seizures**: Engaging networks distributed across both hemispheres simultaneously. Types include:   * **Generalised Seizures**: Engaging networks distributed across both hemispheres simultaneously. Types include:
-    * **[[https://epilepsysociety.org.uk/about-epilepsy/epileptic-seizures/absence-seizures|Absence Seizures]]**: Manifest as brief lapses in awareness. +    * **Absence Seizures**[(Absence Seizures [[https://epilepsysociety.org.uk/about-epilepsy/epileptic-seizures/absence-seizures]])]: Manifest as brief lapses in awareness. 
-    * **[[https://epilepsysociety.org.uk/about-epilepsy/epileptic-seizures/myoclonic-seizures|Myoclonic Seizures]]**: Characterised by sudden, brief muscle jerks. +    * **Myoclonic Seizures**[(Myoclonic Seizures [[https://epilepsysociety.org.uk/about-epilepsy/epileptic-seizures/myoclonic-seizures]])]: Characterised by sudden, brief muscle jerks. 
-    * **[[https://epilepsysociety.org.uk/about-epilepsy/epileptic-seizures/tonic-clonic-seizures|Tonic-Clonic Seizures]]**: Known for convulsive movements. +    * **Tonic-Clonic Seizures**[(Tonic-Clonic Seizures [[https://epilepsysociety.org.uk/about-epilepsy/epileptic-seizures/tonic-clonic-seizures]])]: Known for convulsive movements. 
-    * **[[https://epilepsysociety.org.uk/about-epilepsy/epileptic-seizures/atonic-seizures|Atonic Seizures]]**: Leading to sudden loss of muscle tone.+    * **Atonic Seizures**[(Atonic Seizures [[https://epilepsysociety.org.uk/about-epilepsy/epileptic-seizures/atonic-seizures]])]: Leading to sudden loss of muscle tone.
  
 ===== Focal Seizures ===== ===== Focal Seizures =====
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 ==== Evolution to Bilateral Tonic-Clonic Seizures ==== ==== Evolution to Bilateral Tonic-Clonic Seizures ====
-Some focal seizures can generalise, leading to bilateral tonic-clonic seizures. The initial focal onset may manifest as a warning or 'aura' before consciousness is lost and generalised convulsive movements begin. The tonic phase is characterised by a sudden loss of consciousness with muscle stiffening, while the clonic phase involves rhythmic jerking movements. Sudden cessation of respiration during the tonic phase may lead to cyanosis, and injuries can occur from falls or during convulsions.+Some focal seizures can generalise, leading to bilateral tonic-clonic seizures. The initial focal onset may manifest as a warning or 'aura' before consciousness is lost and generalised convulsive movements begin. The tonic phase is characterised by a sudden loss of consciousness with muscle stiffening, while the clonic phase involves rhythmic jerking movements. Sudden cessation of respiration during the tonic phase may lead to cyanosis[(Cyanosis [[https://www.nhs.uk/conditions/blue-skin-or-lips-cyanosis/]])], and injuries can occur from falls or during convulsions.
  
 ===== Generalised Seizures ===== ===== Generalised Seizures =====
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 ==== Epilepsy Syndromes ==== ==== Epilepsy Syndromes ====
  
-In addition to seizure type and aetiology, **epilepsy syndromes** are recognised by a cluster of features that occur together, which can include:+In addition to seizure type and aetiology, **epilepsy syndromes[(Epilepsy Syndromes [[https://epilepsysociety.org.uk/about-epilepsy/information-parents/childhood-epilepsy-syndromes]])]** are recognised by a cluster of features that occur together, which can include:
   * **Specific Seizure Types**   * **Specific Seizure Types**
   * **EEG Findings**   * **EEG Findings**
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 For those unsuitable for surgery, neurostimulation presents an alternative: For those unsuitable for surgery, neurostimulation presents an alternative:
  
-  * **Vagus Nerve Stimulation (VNS)**+  * **Vagus Nerve Stimulation[(Vagus Nerve Stimulation [[https://epilepsysociety.org.uk/about-epilepsy/treatment/vagus-nerve-stimulation]])] (VNS)**
   * **Deep Brain Stimulation (DBS)**   * **Deep Brain Stimulation (DBS)**
   * **Responsive Neurostimulation (RNS)**   * **Responsive Neurostimulation (RNS)**
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     * [[https://www.aesnet.org|AES Clinical Guidance]]     * [[https://www.aesnet.org|AES Clinical Guidance]]
  
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  • Last modified: 2023/11/08 16:11
  • by kevin