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Rabu, 09 Mei 2018

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Pediatric Seizures by Jonathan Strysko
src: img.haikudeck.com

An atonic seizure (also called drop seizure, akinetic seizure or drop attack), is a type of seizure that consists of partial or complete loss of muscle tone that is caused by temporary alterations in brain function. These seizures are brief - usually less than fifteen seconds. They begin in childhood and may persist into adulthood. The seizure itself causes no injury, but the loss of control, predominantly in trunk muscles, can result in direct injury from falling. Electroencephalography can be used to confirm diagnosis. It is rare and can be indicative of Lennox-Gastaut syndrome (see Henri Gastaut). Atonic seizures can occur while standing, walking, or sitting, and are often noticeable by a head drop (relaxing of the neck muscles). Fall injuries may result in impact to the face or head. As with common epileptic occurrences, no first aid is needed post-seizure, except in the instances where falling injuries have occurred. In some cases, a person may become temporarily paralyzed in part of his or her body. This usually does not last longer than 3 minutes.


Video Atonic seizure



Treatment

There is no general treatment for patients with a seizure disorder. Each treatment plan is specifically tailored to the individual patient based on their diagnosis and symptoms. Treatment options may include medical therapy, nerve stimulation, dietary therapy, or surgery, as appropriate. Clinical trials may also be a valuable treatment alternative. Usually, anticonvulsants are given based on other symptoms and / or associated problems. Because the areas of the cerebellum which determine increases and decreases in muscle tone are close together, people experiencing atonic seizures are most likely experiencing myoclonic ones too, at some point. This may play a role in therapy and diagnostic.

One surgical approach, selective posterior callostomy, can greatly decrease instances of drop attacks and improve function and behavior in patients with intellectual disability.


Maps Atonic seizure



References

  • Information about Atonic Seizures from Epilepsy Foundation
  • Atonic Seizures : Epilepsy.com
  • Epilepsy Ontario :: Seizure Types :: Atonic Seizures

Source of the article : Wikipedia

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