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Topic: Seizure


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In the News (Tue 29 Dec 09)

  
  Seizure - Wikipedia, the free encyclopedia
Seizures (or convulsions) are temporary abnormal electrophysiologic phenomena of the brain, resulting in abnormal synchronization of electrical neuronal activity.
However, a seizure can also be as subtle as marching numbness of a part of body, a brief loss of memory, sparkling of flashes, sensing an unpleasant odor, a strange epigastric sensation or a sensation of fear.
As seizures have a differential diagnosis, it is common for patients to be simultaneously investigated for cardiac and endocrine causes.
en.wikipedia.org /wiki/Seizure   (1288 words)

  
 Febrile seizure - Wikipedia, the free encyclopedia
A febrile seizure, also known as a fever fit or febrile convulsion is a generalized convulsion caused by elevated body temperature.
Febrile seizures represent the meeting point between a low seizure threshold (genetically and age determined) - some children have a greater tendency to have a seizure under certain circumstances - and a trigger: fever.
It is reassuring if the cause of seizure can indeed be determined to have been fever, as simple febrile seizures generally do not cause permanent brain injury; do not tend to recur frequently, as children tend to 'out-grow' them; and do not make the development of adult epilepsy significantly more likely.
en.wikipedia.org /wiki/Febrile_seizure   (475 words)

  
 Febrile Seizures Fact Sheet: National Institute of Neurological Disorders and Stroke (NINDS)
Children prone to febrile seizures are not considered to have epilepsy, since epilepsy is characterized by recurrent seizures that are not triggered by fever.
During a seizure, there is a small chance that the child may be injured by falling or may choke from food or saliva in the mouth.
Once the seizure has ended, the child should be taken to his or her doctor to check for the source of the fever.
ninds.nih.gov /disorders/febrile_seizures/detail_febrile_seizures.htm   (1419 words)

  
 Glossary : Epilepsy.com
Atonic seizure: An epileptic seizure characterized by sudden loss of muscle tone; may cause the head to drop suddenly, objects to fall from the hands, or the legs to lose strength, with falling and potential injury; usually not associated with loss of consciousness.
Benign rolandic epilepsy: An epilepsy syndrome of childhood characterized by partial seizures occuring at night and often involving the face and tongue; the seizures may progress to tonic-clonic seizures, have a characteristic EEG pattern, are easily controlled with medications but may not require treatment, and are outgrown by age 16 years.
Generalized seizure: A seizure that involves both sides of the brain and causes tonic and clonic movements (primary or secondary generalized) or another type of primary generalized epilepsy (e.g., absence or atonic seizure).
www.epilepsy.com /epilepsy/glossary.html   (3600 words)

  
 WSAVA 2001 - The Diagnosis of Epilepsy: Seizure Phenomenology and Classification
WSAVA 2001 - The Diagnosis of Epilepsy: Seizure Phenomenology and Classification
This classification system is based upon localisation of the seizure focus (the area in the brain from where seizures are generated) and the degree of alteration of consciousness expressed by the seizure symptomatology experienced and reported by the patient and/or her/his relatives.
Videotaped seizure episodes should be used to document the nature of the seizures and to detect subtle signs of a partial seizure onset, which might otherwise be missed by the owner.
www.vin.com /VINDBPub/SearchPB/Proceedings/PR05000/PR00161.htm   (1526 words)

  
 Seizure Disorders - PetPlace.com
A seizure or convulsion is a sudden excessive firing of nerves in the brain.
Seizures frequently are idiopathic, which means the cause cannot be determined.
Seizures occur in both males and females with equal frequency, and many pets have one seizure and never have another.
www.petplace.com /dogs/seizure-disorders/page1.aspx   (1014 words)

  
 Seizure Disorders/Epilepsy - Neurologychannel   (Site not responding. Last check: 2007-10-22)
Epilepsy is a recurrent seizure disorder caused by abnormal electrical discharges from brain cells, often in the cerebral cortex.
It is not a distinct disease, it is a group of disorders for which recurrent seizures are the main symptom.
The aura is a period or warning prior to a seizure.
www.neurologychannel.com /seizures   (802 words)

  
 Generalized tonic-clonic seizure
A generalized tonic-clonic seizure is a seizure involving the entire body, usually characterized by muscle rigidity, violent rhythmic muscle contractions, and loss of consciousness.
Generalized tonic-clonic seizures (also called grand mal seizures) are the type of seizure that most people associate with the term "seizure," convulsion, or epilepsy.
Seizures can be caused by a specific area of the brain that is injured or inflamed, or they can be due to stress on the brain from a more widespread systemic process, such as severely low blood sugar.
www.umm.edu /ency/article/000695.htm   (540 words)

  
 Febrile seizure
A febrile seizure is a convulsion in young children caused by a sudden spike in body temperature, often from an infection.
Although a febrile seizure is usually caused by a rapid rise in your child's temperature, the severity of the signs and symptoms doesn't necessarily reflect the level of the fever.
Febrile seizures are caused by the fever that may accompany the vaccination — not by the vaccination itself.
www.cnn.com /HEALTH/library/DS/00346.html   (1605 words)

  
 Seizures in Cats ~ Pawprints and Purrs, Inc.
Seizures are one of the most frequently seen neurological problems in cats.
When a seizure occurs, your vet will begin by taking a thorough history concentrating on possible exposure to poisonous or hallucinogenic substances or history of head trauma.
Occasional seizures are of less concern than when the seizures are becoming more severe and frequent.
www.sniksnak.com /cathealth/seizures.html   (950 words)

  
 Grand mal seizure
A grand mal seizure — also known as a tonic-clonic seizure — is a type of seizure characterized by loss of consciousness, falling down, loss of bowel or bladder control, and rhythmic convulsions.
Although the signs and symptoms of a grand mal seizure may be easy to recognize, it may be difficult for a doctor to diagnose the underlying causes of seizure disorders.
For seizure disorders that don't respond well to medications, surgery may be an option if the seizures are localized to a particular part of the brain and that part of the brain can be removed without serious consequences.
edition.cnn.com /HEALTH/library/DS/00222.html   (1489 words)

  
 Postgraduate Medicine: Evaluation of a first seizure
In addition, the typical duration of a tonic-clonic seizure is 50 to 92 seconds, whereas the range for psychogenic seizures is 20 to 805 seconds (4).
Partial (ie, focal) seizures occur within one or more restricted regions of the brain and are a secondary effect of a localized physiologic or structural abnormality of the brain (eg, tumor, dysplasia, stroke, trauma).
The most important predictors of recurrence are the cause of the seizure (eg, symptomatic cause such as head injury), the detection of focal abnormalities on neurologic examination or imaging studies, and the presence of epileptiform abnormalities on the EEG.
www.postgradmed.com /issues/2002/01_02/prego.htm   (3233 words)

  
 MedlinePlus Medical Encyclopedia: Partial (focal) seizure
Whenever someone has a seizure for the first time, he or she should be taken to an emergency room, as there may be a serious underlying medical condition which needs to be treated.
An isolated seizure with an obvious avoidable trigger, such as fever or toxic reactions, is treated by removing or treating the precipitating factor.
Seizures that occur singly or in a closely associated group are commonly triggered by an acute condition such as brain injury and may occur as an isolated incident, or they may develop into a chronic seizure disorder.
www.nlm.nih.gov /medlineplus/ency/article/000697.htm   (1318 words)

  
 MedlinePlus Medical Encyclopedia: Convulsions
The term "convulsion" is often used interchangeably with "seizure," although there are many types of seizure, some of which have subtle or mild symptoms instead of convulsions.
Seizures of all types are caused by disorganized and sudden electrical activity in the brain.
If a person has recurring seizures, and there are no underlying causes that can be identified, that person is said to have epilepsy.
www.nlm.nih.gov /medlineplus/ency/article/000021.htm   (699 words)

  
 USAM 9-111.000 FORFEITURE/SEIZURE
The net equity values are intended to decrease the number of federal seizures, thereby enhancing efforts to improve case quality and to expedite processing of the cases we do initiate.
In cases where the integrity of the investigation could be compromised resulting in a seizure without any pre-seizure planning, the seizing agency shall be responsible for custody and maintenance of the property until the United States Marshals Service has had an opportunity to respond.
A seizure warrant for property subject to criminal forfeiture may be issued in the district where the property is located, or it may be issued by the court in the district where the criminal indictment is pending.
www.usdoj.gov /usao/eousa/foia_reading_room/usam/title9/111mcrm.htm   (1672 words)

  
 Northeast Rehabilitation Health Network
The folklore about people with seizures "swallowing their tongue" actually relates to the possible airway obstruction which can occur in a person who is on their back with their head flexed forward during the very sleepy period after a major convulsion.
Seizures which involve only part of the brain ("partial") without alteration of awareness ("simple") can occur in persons who have had injury to the brain (as from trauma, stroke, hemorrhage, malformation, tumor).
Some of the factors which influence seizure threshold include genetics (family history), brain trauma (especially "open" or penetrating wounds to brain), a number of medications and drugs (including things not often thought of as "drugs"), body temperature, sleep deprivation and a host of metabolic variables (for example: blood sugar, blood oxygen level, blood minerals, hormones).
www.northeastrehab.com /Articles/seizurefaq.htm   (3188 words)

  
 Lissencephaly - Seizure Information
Seizures are one of the main management problems for parents of children with lissencephaly.
Tonic seizures are usually short, lasting 10 seconds to a minute, with brief lethargy after the spell.
Some other seizure types can give the appearance of brain damage if seizure frequency is very high, but this usually improves with better seizure control.
www.lissencephaly.org /medical/seizures.htm   (2883 words)

  
 Seizure First Aid   (Site not responding. Last check: 2007-10-22)
A seizure is a sudden release of energy by the brain.
Petit mal seizures are short staring spells or quick moments when the child is not paying attention.
Complex partial seizures seem to be a release of energy from only part of the brain.
www.cshcn.org /resources/seizure-first-aid_eng_PL.htm   (518 words)

  
 eMedicine - EEG Seizure Monitoring : Article by Anthony M Murro, MD
Outpatient EEG seizure monitoring is useful for monitoring the frequency and duration of seizures if seizures are accompanied by a clear EEG seizure pattern in an otherwise healthy patient being treated on an outpatient basis.
EEG seizure monitoring may provide information about seizure frequency and may be more reliable with outpatient monitoring when patients engage in their usual activities in their natural environment.
An EEG recording of a seizure from a subdural array in a patient evaluated for epilepsy surgery.
www.emedicine.com /neuro/topic103.htm   (2398 words)

  
 Seizure intro
A generalized seizure, though, affects the entire brain at its onset, and thus usually leaves "no one there" to be aware of the spell.
Also, the aura or focal onset of a seizure may be so brief that it may not be noticed before there is secondary generalization of the seizure.
A "Jacksonian march" is the label given to a seizure which spreads along the cortex with resultant spread of the clinical seizure along one hemisphere.
www.pediatricneurology.com /seizure_intro.htm   (861 words)

  
 Epilepsy in Children
Seizures are broken down into two major categories (generalized seizures and partial seizures) with a large number of subtypes.
These are partial seizures that affect a larger part of the brain, and they are more dramatic than simple partial seizures.
Seizures often begin with a twitching of the mouth and may spread throughout the face and body.
www.webmd.com /content/article/77/95373.htm   (761 words)

  
 Febrile Seizures: What Every Parent Should Know -- familydoctor.org   (Site not responding. Last check: 2007-10-22)
These are called "fever seizures" or "febrile seizures." They are very frightening, but they aren't as dangerous as they may appear.
The risk of another febrile seizure is slightly higher if your child is younger than 18 months, if there's a family history of febrile seizures, or if the fever wasn't very high when the seizure occurred.
But the chance of epilepsy developing in a child who has had a febrile seizure is slightly higher than if he or she didn't have a febrile seizure.
familydoctor.org /066.xml   (591 words)

  
 Seizure definition - Medical Dictionary definitions of popular medical terms
Seizure: Uncontrolled electrical activity in the brain, which may produce a physical convulsion, minor physical signs, thought disturbances, or a combination of symptoms.
The type of symptoms and seizures depend on where the abnormal electrical activity takes place in the brain, what its cause is, and such factors as the patient's age and general state of health.
Seizures can be caused by head injuries, brain tumors, lead poisoning, maldevelopment of the brain, genetic and infectious illnesses, and fevers.
www.medterms.com /script/main/art.asp?articlekey=5442   (286 words)

  
 Seizure - American Institute for Preventive Medicine - HealthWorld Online
A petit mal seizure can be just a minute or two of “spacing out.” It is also called an “absence seizure” because a convulsion does not happen with this kind.
But a seizure that lasts for half an hour can be a sign of a big problem.
Is your child having a seizure when he or she does not have a fever?
www.healthy.net /library/books/healthyself/children/seizure.htm   (637 words)

  
 Seizure - Health and Medical Information produced by doctors - MedicineNet.com
This causes a sort of electrical storm in the brain, known as a seizure.
A pattern of repeated seizure is referred to as epilepsy.
Medication controls seizure for the majority of patients, who are otherwise healthy and able to live full and productive lives.
www.medicinenet.com /seizure/article.htm   (401 words)

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