Atonic Seizures: Causes & Reasons

Possible Causes for Atonic Seizures

Atonic seizures, massive myoclonic seizures, and myoclonic-atonic seizures have a frequency of 10-56% in LGS. [emedicine.medscape.com]

As children grow older, the types of seizures change. In most cases, atonic seizures cease with maturation. [epilepsyqueensland.com.au]

Postoperatively, the atonic seizures were completely eliminated and their mental reactivities remarkably improved. [ncbi.nlm.nih.gov]

Seizure

They may start in the same part of the brain as an atonic seizure, and some people have both myoclonic and atonic seizures. [webmd.com]

[…] absence seizures tonic-clonic seizures myoclonic seizures atonic seizures (also called drop attacks) Absence Seizures (Petit Mal Seizures) brief, short duration staring spells [barrowneuro.org]

Continued Atonic seizures: Your muscles suddenly go limp, and your head may lean forward. [webmd.com]

Febrile Seizures

They may include febrile seizures (febrile convulsions); febrile seizures plus; tonic-clonic seizures; absence seizures; myoclonic seizures; atonic seizures (drop attacks) [epilepsy.org.uk]

The most common seizure type is generalized clonic, but atonic and tonic spells are also seen. [armandoh.org]

Simple febrile seizures are the most common type encountered in children. Generalized seizures are mainly clonic, but other forms include atonic and tonic spells. [flipper.diff.org]

Generalized Tonic-Clonic Seizure

They may start in the same part of the brain as an atonic seizure, and some people have both myoclonic and atonic seizures. [webmd.com]

Atonic seizures (also called drop attacks) With atonic seizures, there is a sudden loss of muscle tone and the child may fall from a standing position or suddenly drop his [chp.edu]

Continued Atonic seizures: Your muscles suddenly go limp, and your head may lean forward. [webmd.com]

Epilepsy with Generalized Tonic-Clonic Seizures

A sequence of a brief tonic episode followed by an atonic seizure is called a tonic-atonic seizure. [hopkinsmedicine.org]

Like tonic seizures, atonic seizures tend to be brief and happen without warning. [epilepsysociety.org.uk]

Atonic Seizure During an atonic seizure, muscles suddenly lose tone (or “strength”) due to temporary changes in brain function. [efmny.org]

Atypical Absence Seizure

[…] syndrome, Dravet syndrome, epileptic encephalopathy with spike-and-wave during sleep, and epilepsy with myoclonic-atonic seizures. [medlink.com]

Like tonic seizures, atonic seizures tend to be brief and happen without warning. [epilepsysociety.org.uk]

Tonic seizures E. Tonic-clonic seizures F. Atonic seizures III. UNCLASSIFIED EPILEPTIC SEIZURES (inadequate or incomplete data) Further Reading What is Epilepsy? [news-medical.net]

Generalized Epilepsy with Febrile Seizures Plus

In about one third, additional seizure types occur, such as absences, myoclonic, or atonic seizures. [neurology.org]

The most common phenotypes are febrile seizures (FS) often with accessory afebrile generalized tonic-clonic seizures (GTCS, FS(+)). [ncbi.nlm.nih.gov]

Other phenotypes included FS+ and absences, FS+ and myoclonic seizures, FS+ and atonic seizures, and the most severely affected individual had myoclonic-astatic epilepsy [doi.org]

Familial Infantile Myoclonic Epilepsy

Generalized hypotonia Epileptic encephalopathy Dementia Status epilepticus Absence seizures Atonic seizures Rare Symptoms - Less than 30% cases Dysmetria Progressive cerebellar [mendelian.co]

Atonic Seizures As a toddler, Michael wore a helmet to protect his head during drop attacks caused by atonic seizures. [massgeneral.org]

 Childhood  Febrile seizures plus (FS+) (can start in infancy)  Panayiotopoulos syndrome  Epilepsy with myoclonic atonic (previously astatic) seizures  Benign epilepsy [slideshare.net]

Versive Seizure

ATONIC SEIZURES BRIEF ATONIC SEIZURES LONG ATONIC SEIZURES 31. *A prolonged seizure lasts approximately five minutes longer than the person’s normal state of seizure. [slideshare.net]

Absence seizure Absence seizure with atonic components Absence seizure with autonomic components Absence seizure with impairment of consciousness only Absence seizure with [emedcodes.com]

The interruption in muscle tone is briefer than seen in a focal atonic seizure. The patient may correct for the loss of tone with overshoot past the primary position. [epilepsydiagnosis.org]

Focal-Onset Impaired-Awareness Seizure

[…] absence seizures tonic-clonic seizures myoclonic seizures atonic seizures (also called drop attacks) Absence Seizures (P etit Mal Seizures) brief, short duration staring [barrowneuro.org]

See epilepsy. atonic seizure an absence seizure characterized by sudden loss of muscle tone. focal motor seizure a simple partial seizure consisting of clonus or spasm of [medical-dictionary.thefreedictionary.com]

Atonic seizures: “Atonic” refers to a loss of posture. [mountsinai.org]

Absence Seizure

[…] absence seizures tonic-clonic seizures myoclonic seizures atonic seizures (also called drop attacks) Absence Seizures (P etit Mal Seizures) brief, short duration staring [thebarrow.org]

They may start in the same part of the brain as an atonic seizure, and some people have both myoclonic and atonic seizures. [webmd.com]

Because atonic seizures are so abrupt, without any warning, and because the people who experience them fall with force, atonic seizures can result in injuries to the head [efepa.org]

Focal Motor Seizure

Like tonic seizures, atonic seizures tend to be brief and happen without warning. [epilepsysociety.org.uk]

Atonic Seizure During an atonic seizure, muscles suddenly lose tone (or “strength”) due to temporary changes in brain function. [efmny.org]

Atonic seizures (sometimes called drop attacks) and tonic seizure In an atonic seizure the person’s muscles suddenly relax and they become floppy, and they oftern fall, usually [epilepsysociety.org.uk]

Myoclonic-Astatic Epilepsy

[…] myoclonic-atonic seizure is a myoclonic seizure followed by an atonic seizure. [medlink.com]

SEIZURES. Mandatory seizures. Myoclonic atonic seizures are mandatory seizure types to this syndrome. Atonic and myoclonic seizures are frequent. [medlink.com]

In two thirds of children febrile seizures and generalized tonic-clonic seizures precede the onset of myoclonic-atonic and atonic seizures. [epilepsydiagnosis.org]

Jacksonian Seizure

The different types of generalized seizures are: absence seizures (formerly known as petit mal) tonic-clonic or convulsive seizures (formerly known as grand mal) atonic seizures [epilepsyontario.org]

[…] tonic-clonic seizures, and (6) atonic seizures. [epilepsywarriors.org]

Tonic-clonic Absence seizure Atonic seizure Automatism Benign familial neonatal epilepsy Lennox-Gastaut West Status epilepticus Epilepsia partialis continua Complex partial [psychology.wikia.org]

Postictal State

Because of this difficulty separating atonic and tonic seizures, clinicians often lump atonic and tonic seizures together and call them “drop attacks.” [cincinnatichildrens.org]

There is no noticeable postictal period for atonic seizures or absence seizures, and sufferers can get back to their normal life immediately after a seizure. [wikidoc.org]

Atonic seizures are also called “drop attacks,” “drop seizures” or “akinetic seizures.” During an atonic seizure, a child usually remains conscious. [gillettechildrens.org]

Developmental and Epileptic Encephalopathy Type 6

Supportive therapy (i.e. protective head gear) may be recommended in children with prominent atonic seizures. [orpha.net]

[…] focal, absence and atonic seizures between 1-4 years. [genome.jp]

Complex partial, absence and atonic seizures may also occur. Photosensitivity, high temperatures, intermittent photic stimulation and exercise may also provoke seizures. [orpha.net]

Benign Familial Infantile Epilepsy Type 4

[…] tonic-clonic seizures, and (6) atonic seizures. [epilepsywarriors.org]

Tonic or atonic seizures First-line treatment: offer sodium valproate as first-line treatment. [patient.info]

Autosomal Dominant Focal Epilepsies Genetic Generalized Epilepsies—Epilepsies With Generalized Spike–Waves Chapter 17: Myoclonic Epilepsy in Infancy and Epilepsy With Myoclonic Atonic [connect.springerpub.com]

Acquired Epileptic Aphasia

Other seizure types include absence, atypical absence, and atonic seizures. Seizures usually happen during sleep. [epilepsy.com]

Tonic GABA-pathies cause epilepsy with myoclonic-atonic seizures and Angelman syndrome, thus major high-amplitude slow-wave activity. [ncbi.nlm.nih.gov]

Clinical manifestations Three stages of evolution: First stage before CSWS: infrequent nocturnal motor focal seizures, often hemiclonic status epilepticus, absences, atonic [epilepsy.com]

Brain Stem Disorder

Chermak and Musiek's two-volume, award-winning handbooks are back in newly revised editions. Extensively revised and expanded, Volume I provides comprehensive coverage of the auditory neuroscience and clinical science needed to accurately diagnose the range of developmental and acquired central auditory processing[…] [books.google.com]

Epileptic Aura

Other types include a myoclonic seizure, a tonic seizure and an atonic seizure. In myoclonic seizures there are jerky movements of one or more limbs. [news-medical.net]

Atonic seizures last less than 5 seconds and are typically followed by brief confusion. [doctorstrizhak.com]

Atonic seizures Atonic seizures cause all your muscles to suddenly relax, so you may fall to the ground. [nhs.uk]

Lenegre Disease

As children grow older, the types of seizures change. In most cases, atonic seizures cease with maturation. [epilepsyqueensland.com.au]

Atonic seizures are also known as drop attacks. Atonic seizures can lead to injuries of the head and face because of sudden, unexpected falls. [rarediseases.org]

The most characteristic clinical manifestations in LGS consist of tonic seizures (17-92%), atonic seizures (26-56%) and atypical absences (20-65%). [orpha.net]

Focal Epilepsy - Speech Disorder - Mental Retardation

In atypical benign focal epilepsy of childhood (ABFEC) several types of seizure, especially partial motor fits, atypical absences and myo-atonic seizures occur. [moh-it.pure.elsevier.com]

Other seizure types include absence, atypical absence, and atonic seizures. Seizures usually happen during sleep. [epilepsy.com]

Clinical manifestations Three stages of evolution: First stage before CSWS: infrequent nocturnal motor focal seizures, often hemiclonic status epilepticus, absences, atonic [epilepsy.com]

Benign Adult Familial Myoclonic Epilepsy

Impulsivity Abnormal brain FDG positron emission tomography Photosensitive tonic-clonic seizures EEG with abnormally slow frequencies Myoclonic atonic seizures Short stature [mendelian.co]

Atonic seizures: “Atonic” refers to a loss of posture. [mountsinai.org]

Joint Subluxation

Seizure Types Tonic seizures: muscles suddenly become stiff last about 20 seconds usually involve both sides of the body often happen during sleep Atonic seizures: muscles [kidshealth.org]

This syndrome, also called LGS, has multiple types of seizures, including tonic (stiffening) and atonic (drop) seizures. [epilepsy.com]

Atonic seizures are also known as drop attacks. Atonic seizures can lead to injuries of the head and face because of sudden, unexpected falls. [rarediseases.org]

Developmental and Epileptic Encephalopathy Type 3

Early benign childhood occipital epilepsy Epilepsy with myoclonic-atonic seizures Benign epilepsy with centrotemporal spikes 11/27 Preston Preston Lauren Lauren Autosomal [loyolamedicine.org]

Applicable To Epilepsy with grand mal seizures on awakening Epilepsy with myoclonic absences Epilepsy with myoclonic-astatic seizures Grand mal seizure NOS Nonspecific atonic [icd10data.com]

[…] on awakening Juvenile: · absence epilepsy · myoclonic epilepsy [impulsive petit mal] Nonspecific epileptic seizures: · atonic · clonic · myoclonic · tonic · tonic-clonic [apps.who.int]

Epilepsy

If their body is stiff when they fall, it’s likely a tonic seizure rather than an atonic seizure. [healthline.com]

Symptoms are similar to those of generalized-onset seizures. Atonic seizures occur primarily in children. [msdmanuals.com]

Read more: Seizure first aid: How to respond when someone has an episode » Atonic seizures Also known as astatic seizures or drop attacks, these seizures involve a brief loss [healthline.com]

Abdominal Epilepsy

seizures Tonic-clonic seizures Atonic seizures Focal seizure Status epilepticus Epilepsia partialis continua Massive bilateral myoclonus Eyelid myoclonia Gelastic seizures [depression-guide.com]

[…] tonic-clonic seizures, and (6) atonic seizures. [epilepsywarriors.org]

Atonic (Drop) Seizures Atonic seizures (drop attacks) are not seen in many children. [epilepsysco.org]

Progressive Myoclonic Epilepsy Type 7

seizure are associated with loss of consciousness May be seen as component of other seizures Absence seizures often have an atonic component Myoclonic jerk may precede or [neurodiffdx.com]

Chorea Dystonia Anxiety Dysmetria Atonic seizures Blepharospasm Sensory axonal neuropathy Limb ataxia Progressive cerebellar ataxia Sensory neuropathy Motor delay Kinetic [mendelian.co]

[…] plaques Shuffling gait Frontotemporal dementia Alzheimer disease Progressive cerebellar ataxia Apraxia Gliosis Postural instability Delayed speech and language development Atonic [mendelian.co]

GLUT1 Deficiency Syndrome

Atonic seizures are also known as drop attacks. Atonic seizures can lead to injuries of the head and face because of sudden, unexpected falls. [checkorphan.org]

Atonic seizures cause a sudden loss of muscle tone and limpness. They can cause the head to drop or nod, problems with posture or sudden falls. [rarediseases.org]

Children often present with atonic seizures (“drop attacks”) and they often have additional seizure types including absence seizures, myoclonic seizures, and generalized tonic-clonic [epilepsygenetics.net]

Uncinate Seizure

[…] agent JUVENILE MYOCLONIC Focal muscle jerks (in AM), no LOC, o/w normal 4-6 Hz poly spike waves (frontal lobe) Teens Valproic Acid Keppra ATONIC SEIZURES / DROP ATTACKS Atonic [learnneurosurgery.com]

Absence seizure Absence seizure with atonic components Absence seizure with autonomic components Absence seizure with impairment of consciousness only Absence seizure with [healthprovidersdata.com]

But in case if the patient, who has diagnosed as general tonic seizures at fist seizure, has anamnestic history of myoclonic-atonic seizure, absence epilepsy and simple/complex [tokushukai.or.jp]