Epilepsy And Seizure Disorder Flashcards

1
Q

What is seizure

A

Abnormal discharge of electrical activity in the CNS resulting in abnormal motor ,sensory or psychological experiences

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2
Q

Causes of seizures

A
  • serve hypoglycemia
    *serve electrolyte disturbances
  • Toxic substances like cocoaine
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3
Q

Abnormal motor and sensory involvement of sensory

A

Pre central gyrus
Post central gyrus
Somatosensory : when affected patient may say his hand is burning or under pressure or tingling or loss of sensation

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4
Q

What is temporal seizure and its associated features and what are the functions of temporal lobe

A

*Temporal lobe is responsible for most of the primitive functions such as smell, πŸ‘ƒ taste πŸ‘… and sexual function.
*if there is seizure in the temporal lobe it affects the taste ,smell and sexual function thus patient might smell or taste something in their mouth which is not in reality

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5
Q

Seizure in the occipital lobe , mention the areas of the visual cortex and their functions

A

Areas of visual cortex include
-primary visual area 17: functions primarily in discerning the intensity, shape, size, and location of objects in the visual field.
-secondary visual area 18: Visual Association Area” or V2 and is a first stage in processing or feature extraction of retinotopic images from V1.
-Tertiary visual area 19: detection of light intensity, feature attention and pattern detection, and is deputed to spatial working memory.
* seizures in these areas can make patient see things not in reality

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6
Q

What is epilepsy

A

*Epilepsy is an abnormal recurrent,spontaneous abnormal electrical activity in CNS which may manifest as abnormal motor,sensory physoactive experiences
* epilepsy is when someone has the ability to have seizures again and again

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7
Q

What are the motor sensory types of seizures

A

*Tonic: The body stiffens, agonists and antagonists fibers fires simultaneously,sometimes respiratory stiffens and patient can be cyanosed
*clonic: patient Jerks ,agonist and antagonists fibers fire alternatively
*Tonic-clonic :agonists and antagonists fire simultaneously then alternatively thus body stiffens and jerks
*Atonic: patients loses tone
*Myoclonic: uncontrollable use of the arm or limb sudden jerks

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