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Topic: Myoclonic seizures

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Epilepsy

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Nick Leeson

Pickering, Ontario

	Myoclonic Seizures : Epilepsy.com
		Myoclonic (MY-o-KLON-ik) seizures are brief, shock-like jerks of a muscle or a group of muscles.
		Juvenile myoclonic epilepsy: The seizures usually involve the neck, shoulders, and upper arms.
		The myoclonic seizures usually involve the neck, shoulders, upper arms, and often the face.
	www.epilepsy.com /epilepsy/seizure_myoclonic.html (516 words)

	Epilepsy - Types - Institute of Neurology and Neurosurgery, New York City
		The seizures may be stereotypic for the condition or may be mixed and the age for onset of the seizures varies with the condition, some starting at birth, some in infancy, some in childhood and some in the teens.
		These seizures typically start in childhood or young adulthood, tend to cluster and are frequently associated with a history of febrile convulsions and/or a family history of seizures.
		Seizures from this area of the brain typically manifest sensations such as tingling, numbness, loss of the extremity, crawling, coldness or electric sensations in regions of the body but more complex sensations such as feeling that an extremity is moving, or complex alimentary sensations may occur.
	nyneurosurgery.org /ep_types.htm (3283 words)

	Myoclonus - Wikipedia, the free encyclopedia
		Myoclonic jerks commonly occur in individuals with epilepsy.
		In rare cases, myoclonic seizures can be symptomatic of Lennox-Gastaut syndrome, beginning in early childhood and usually involving the face, neck, shoulders, and upper arms.
		Myoclonic jerks commonly occur in persons with epilepsy, a disorder in which the electrical activity in the brain becomes disordered leading to seizures.
	en.wikipedia.org /wiki/Myoclonic_seizure (1986 words)

	Seizures Information on Healthline
		Myoclonic seizures are commonly diagnosed in newborns and children.
		Tonic-clonic seizures can cause serious medical problems such as trauma to the head and mouth, fractures in the spinal column, pulmonary edema (water in the lungs), aspiration pneumonia (a pneumonia caused by a foreign body being lodged in the lungs), and sudden death.
		Myoclonic seizures are seen in newborns and children who have either symptomatic or idiopathic (cause is unknown) epilepsy.
	www.healthline.com /galecontent/seizures (1359 words)

	OHSU Health - Seizures (Site not responding. Last check: 2007-11-01)
		The seizure activity is limited to an isolated muscle group, such as the fingers, or to larger muscles in the arms and legs.
		These seizures are more commonly seen in children between 6 months and 6 years of age, and there may be a family history of this type of seizure.
		VNS attempts to control seizures by sending small pulses of energy to the brain from the vagus nerve, which is a large nerve in the neck.
	www.ohsuhealth.com /htaz/pageFinder.cfm?pageid=P00857 (2003 words)

	Classification of Seizures
		For example, a tonic-clonic, or grand mal, seizure may begin as a primary generalized seizure or as a partial seizure, and a "staring spell" can be an absence seizure (a type of primary generalized seizure) or a complex partial seizure.
		Myoclonic seizures occur in a variety of epilepsy syndromes, and the prognosis for control of these seizures varies among the different syndromes.
		ATONIC SEIZURES The brief spells of atonic seizures, lasting less than 15 seconds, are associated with a sudden loss of muscle strength, causing the eyelids to droop, the head to nod, or an object to be dropped, or causing a fall to the ground.
	www.msnyuhealth.org /interwoven/nyu_epilepsy_classseizures2.html (1570 words)

	International League Against Epilepsy
		Myoclonic seizures usually involve the arms and shoulders symmetrically and are accompanied by head nodding.
		The condition is estimated to occur in 1% to 2% of all childhood epilepsies (Doose and Baier 1987a).
		The seizures of late-onset infantile spasms are brief spasms of trunk flexion or extension occurring in a cluster.
	www.ilae-epilepsy.org /Visitors/Centre/ctf/myoclonic_astatic_child.cfm (3020 words)

	MAE - myoclonic seizures
		As the label myoclonic-astatic epilepsy (MAE) suggests, myoclonic seizures are one of the core seizure types associated with the disorder.
		Myoclonic seizures can be serious because they may be difficult to control, occur frequently on a daily basis, and because they are only one manifestation of this mixed seizure disorder.
		As is the case with all generalised seizures, the child is not conscious during the event but the seizure is so brief that the person appears to remain fully conscious.
	www.doosesyndrome.com /maeexplained/seizuretypes/myoclonic.htm (527 words)

	Myoclonic Seizures
		Myoclonic seizures occur in a variety of different seizure types.
		Myoclonic seizures are short jerks of a single muscle or group of muscles.
		When myoclonic seizures occur with this syndrome it may affect muscles in the face as well as other parts of the body.
	www.suite101.com /article.cfm/seizure_disorders/24185 (283 words)

	AboutKidsHealth: Epilepsy: Myoclonic Seizures
		A child having a myoclonic seizure will have one or many brief muscle jerks, often in the shoulders or arms, either in the whole body or just in one arm or leg.
		Sometimes myoclonic seizures are not strong enough to cause visible movement, but the child feels a shock-like feeling in his muscles.
		Myoclonic seizures are seen in many different epilepsy syndromes, including benign myoclonic epilepsy of infancy, juvenile absence epilepsy, juvenile myoclonic epilepsy, Lennox-Gastaut syndrome, and the progressive myoclonus epilepsies.
	www.aboutkidshealth.ca /clinicalAreas.asp?pageContent=EP-nh2-02c (386 words)

	Neonatal Seizures
		Seizures during the neonatal period (generally defined as the first month of life) are relatively common, occurring in approximately 1% of all neonates.
		While in children seizures often occur in the absence of another neurological disorder, neonatal seizures frequently are a non-specific sign of an underlying disease.
		Like seizures in older patients, if there is a treatable cause for the seizures, such as hypoglycemia, infection, or intracranial hemorrhage, then the underlying etiology should be treated with the appropriate specific therapy.
	www.neuro.wustl.edu /epilepsy/pediatric/articleNeonatalSz.html (1687 words)

	Epilepsy Action: generalised seizures
		Juvenile Myoclonic Epilepsy and in these cases there is often a family history of a similar condition.
		These are generalised seizures in which the muscles contract and relax continuously causing the person having the seizure to twitch and jerk repeatedly.
		Often the person will experience the simple partial seizure as an 'aura' or warning but sometimes the spread of epileptic activity can be so quick that the person appears to go straight into a tonic-clonic seizure.
	www.epilepsy.org.uk /info/generalised.html (436 words)

	Types of Seizures (Site not responding. Last check: 2007-11-01)
		Most epileptic seizures are either partial seizures, which affect just one part of the brain, or generalized seizures, which affect both sides of the brain at the same time.
		Tonic-Clonic Seizures: During a tonic-clonic seizure (also known as grand mal or convulsions), you stiffen (the tonic phase) and your limbs and face begin to jolt and shake (the clonic phase).
		But when your seizures go on for too long or come in clusters, you are at risk for a condition called status epilepticus—an ongoing state of seizure or multiple seizures with continued loss of consciousness.
	www.topamax-epilepsy.com /epilepsy/seizure_types.jsp (1678 words)

	eMedicine - Neonatal Seizures : Article by Raj D Sheth, MD (Site not responding. Last check: 2007-11-01)
		Myoclonic seizures: These may occur focally in one extremity or in several body parts (in which case they are described as multifocal myoclonic seizures).
		Seizures often are associated with ocular deviation and are not stimulus sensitive.
		Causes: The differential diagnosis for neonatal seizures is voluminous.
	www.emedicine.com /neuro/topic240.htm (2839 words)

	Epilepsy: Signs and symptoms - MayoClinic.com
		After the seizure ends, you may be confused or sleep for a few minutes and may be unaware you had the seizure.
		Myoclonic seizures may last only a short time — from less than a second for single jerks to a few seconds for repeated jerks.
		These seizures often are preceded by a warning sensation — called an aura — that can cause a wide range of thoughts and emotions, including deja vu, anxiety, panic, joy or overwhelming, strange sensations that are impossible to describe.
	www.mayoclinic.com /health/epilepsy/DS00342/DSECTION=2 (1344 words)

	Angelman Syndrome Foundation: Seizures and AS
		Seizures occur in almost all children with Angelman syndrome starting in early childhood, and often disappearing in adolescence.
		Seizures most often "come out of the blue", and events that clearly follow some stimulus are most often not epileptic seizures.
		Children with very infrequent seizures, or with episodes of prolonged or repetitive seizures, may benefit from acute AED treatment administered by their parents, or even the school nurse.
	www.angelman.org /angel/index.php?id=89 (2473 words)

	eMedicine - Epilepsy, Juvenile Myoclonic : Article by Jose E Cavazos, MD, PhD (Site not responding. Last check: 2007-11-01)
		She never had myoclonic or generalized tonic-clonic seizures, and her seizures were well controlled with a drug that was considered ineffective in the treatment of these other types of seizures.
		Myoclonic jerks, GTCSs, and absence seizures all have an age-related onset in JME.
		Seizures of JME often are precipitated by lack of sleep, psychological stress, and drinking alcohol.
	www.emedicine.com /neuro/topic416.htm (5747 words)

	Epilepsy Symptoms, Warning Signs and Treatment Information on MedicineNet.com
		Generalized seizures are produced by electrical impulses from throughout the entire brain, whereas partial seizures are produced (at least initially) by electrical impulses in a relatively small part of the brain.
		The loss of consciousness is followed by generalized body stiffening (called the "tonic" phase of the seizure) for 30 to 60 seconds, then by violent jerking (the "clonic" phase) for 30 to 60 seconds, after which the patient goes into a deep sleep (the "postictal" or after-seizure phase).
		Myoclonic seizures consist of sporadic jerks, usually on both sides of the body.
	www.medicinenet.com /seizures_symptoms_and_types/article.htm (531 words)

	Myoclonic seizure (Site not responding. Last check: 2007-11-01)
		Myoclonic seizures are brief twitches or jerks of muscles or groups of muscles.
		In juveline myoclonic epilepsy, seizures usually involve the neck, shoulders, and upper arms.
		These seizures can usually be controlled with medication, but it must be taken for life.
	www.mrsci.com /Neurology/Myoclonic_seizure.php (205 words)

	Myoclonic Seizures
		The seizure activity is usually worse upon awakening, some people have their myoclonic jerks and these are brief while others have generalized tonic/clonic with theirs.
		Seizure activity can be made worse by alcohol, fatigue, lack of sleep, and some with flashing lights.
		The seizures are usually life long, and most of our patients do not have dementia, but are high functioning or normal.
	www.medhelp.org /forums/neuro/messages/30780.html (595 words)

	JME
		The types of seizures that can occur in patients with JME are myoclonic jerks, generalized tonic clonic seizures (GTCS), and absence seizures.
		Juvenile Myoclonic Epilepsy (JME) of Janz is characterized by:
		Onset in adolescence of myoclonic, absence, and tonic/clonic seizures.
	www.pediatricneurology.com /new_page_1.htm (841 words)

	Juvenile Myoclonic Epilepsy : Epilepsy.com
		People with JME have myoclonic seizures (quick little jerks of the arms, shoulder, or occasionally the legs), usually in the early morning, soon after awakening.
		The myoclonic jerks sometimes are followed by a tonic-clonic seizure.
		Occasionally, myoclonic seizures are also provoked by factors such as decision-making or calculations.
	www.epilepsy.com /epilepsy/epilepsy_juvenilemyoclonic.html (705 words)

	Might Calcium Disorders Cause or Contribute to Myoclonic Seizures in Epileptics?
		A case report from the Netherlands involving a woman with tetany and myoclonic epilepsy found that she had hypoparathyroidism and was successfully treated with calcium and vitamin D [18].
		Myoclonic seizures tend to be resistant to drug therapies [1].
		It is possible that since many anti-epileptic medications impair thyroid function and/or somehow result in increased calcium levels, perhaps a partial reason for their occasional success with myoclonic seizures is the partial suppression of the thyroid hormone calcitonin which results in an increase of serum calcium levels.
	www.healthresearch.com /myoclonic.htm (2967 words)

	Epilepsy Action: Juvenile Myoclonic Epilepsy / Janz Syndrome
		This type of seizure is more likely to happen if the person has been to bed late the night before, or has woken up earlier than usual.
		These seizures usually happen soon after waking up and may be seen when getting dressed or having breakfast.
		As seizures are more likely to happen if a person does not get enough sleep or drinks alcohol, it is advisable for people with this syndrome to maintain regular sleeping habits and think carefully about the amount of alcohol they consume.
	www.epilepsy.org.uk /info/juvenile.html (353 words)

	JME of Janz
		He presented a patient with jerks starting at the age of 13, which progressed to "full seizures." In 1957, Janz and Christian published descriptions on a group of patients with seizures described as "impulsive petit mal".
		They are bilateral myoclonic jerks that most often involve the arms and shoulders.
		Absence seizures precede myoclonic jerks in 30% of the cases.
	www.pediatricneurology.com /jmeof.htm (1200 words)

	Types of Seizures : Epilepsy.com
		That's the purpose of all the tests discussed in the Diagnosis section—not just to tell whether you have epilepsy EpilepsyA disorder characterized by transient but recurrent disturbances of brain function that may or may not be associated with impairment or loss of consciousness and abnormal movements or behavior.
		There are so many kinds of seizures that neurologists who specialize in epilepsy are still updating their thinking about how to classify them.
		One question that is used to further classify partial seizures is whether consciousness ConsciousnessState of awareness; if consciousness is preserved during a seizure, the person can respond (either in words or actions, such as raising a hand on command) and recall what occured during the spell.
	www.epilepsy.com /epilepsy/types_seizures.html (430 words)

	Table 4
		With elementary sensory symptoms (e.g., occipital and parietal lobe seizures)
		With experiential sensory symptoms (e.g., temporo parieto occipital junction seizures)
		With asymmetrical tonic motor seizures (e.g., supplementary motor seizures)
	www.ilae-epilepsy.org /ctf/seizure_types.html (67 words)

	Ask an Expert: Myoclonic Seizures (Site not responding. Last check: 2007-11-01)
		Myoclonic jerks (or myoclonus) consist of sudden, brief jerks, usually of an arm or leg.
		Myoclonic seizures are only one type of myoclonus and occurs from an electrical discharge in the brain.
		These seizures usually occur as part of an epilepsy syndrome that also has grand mal seizures.
	www.netwellness.org /question.cfm/15679.htm (216 words)

	Re: myoclonic seizures
		In Reply to: myoclonic seizures posted by amy on November 15, 1998 at 17:40:37:
		: Have you ever heard of myoclonic type seizure activity as a side effect of the medication diamox.
		number of examples of situations where diamox was used to TREAT myoclonic seizures however.
	www.medhelp.org /forums/neuro/archive/11860.html (289 words)

	Myoclonic Seizures (Site not responding. Last check: 2007-11-01)
		Juvenile myoclonic epilepsy, which is also called impulsive petit mal epilepsy, is characterized by generalized seizures, usually tonic-clonic signaled by myoclonia (jerky movements) or absences.
		Some research now suggests that adult myoclonic epilepsy may be a previously undescribed and distinct syndrome.
		It involves the development of generalized epilepsy of unknown causes in middle-aged adults.
	home.earthlink.net /~affea/id19.html (137 words)

	UCB :: News (Site not responding. Last check: 2007-11-01)
		FDA Approves Keppra® as Adjunctive Therapy in the Treatment of Myoclonic Seizures in Patients with Juvenile Myoclonic Epilepsy 23-August-2006
		European Commission Approves Keppra® for Use as Adjunctive Therapy in the Treatment of Myoclonic Seizures in Patients with Juvenile Myoclonic Epilepsy 15-May-2006
		First evidence of efficacy for UCB's Keppra®* in the adjunctive treatment of myoclonic seizures 31-March-2005
	www.ucb-group.com /media_centre (1339 words)

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