Epileptic spasm

A sudden flexion, extension, or mixed extension-flexion of predominantly proximal and truncal muscles that is usually more sustained than a myoclonic movement but not as sustained as a tonic seizure. Limited forms may occur: Grimacing, head nodding, or subtle eye movements. Epileptic spasms frequently occur in clusters. Infantile spasms are the best known form, but spasms can occur at all ages

Also called: Epileptic spasms, Salaam convulsion, Salaam convulsions, Salaam seizure, Salaam seizures, West syndrome.

Not sure what epileptic spasm might be related to? See the lab tests that healthcare providers may use to investigate epileptic spasm, and the conditions they help explore.
Explore relevant lab tests
Associations

Conditions associated with epileptic spasm

The following conditions have been associated with epileptic spasm in medical literature. This is informational and not a diagnosis.

3-phosphoglycerate dehydrogenase deficiency, infantile/juvenile form

3-phosphoglycerate dehydrogenase deficiency, infantile/juvenile form is a medical condition that may be associ...

General

DPAGT1-CDG

DPAGT1-CDG is a medical condition that may be associated with various symptoms and signs....

General

Developmental and epileptic encephalopathy 122

Developmental and epileptic encephalopathy 122 is a medical condition that may be associated with various symp...

General

Dursun-Ozgul neurodevelopmental syndrome

Dursun-Ozgul neurodevelopmental syndrome is a medical condition that may be associated with various symptoms a...

General

Epilepsy of infancy with migrating focal seizures

Epilepsy of infancy with migrating focal seizures is a medical condition that may be associated with various s...

General

Hemimegalencephaly

Hemimegalencephaly is a medical condition that may be associated with various symptoms and signs....

General

Isolated focal cortical dysplasia

Isolated focal cortical dysplasia is a medical condition that may be associated with various symptoms and sign...

General

Karayol-Borroto-Haghshenas neurodevelopmental syndrome

Karayol-Borroto-Haghshenas neurodevelopmental syndrome is a medical condition that may be associated with vari...

General

Kleefstra syndrome due to 9q34 microdeletion

Kleefstra syndrome due to 9q34 microdeletion is a medical condition that may be associated with various sympto...

General

Microcephalic osteodysplastic primordial dwarfism types I and III

Microcephalic osteodysplastic primordial dwarfism types I and III is a medical condition that may be associate...

General

PURA-related severe neonatal hypotonia-seizures-encephalopathy syndrome

PURA-related severe neonatal hypotonia-seizures-encephalopathy syndrome is a medical condition that may be ass...

General

Pyridoxine-dependent-developmental and epileptic encephalopathy

Pyridoxine-dependent-developmental and epileptic encephalopathy is a medical condition that may be associated ...

General

Rasmussen subacute encephalitis

Rasmussen subacute encephalitis is a medical condition that may be associated with various symptoms and signs....

General

STXBP1-related encephalopathy

STXBP1-related encephalopathy is a medical condition that may be associated with various symptoms and signs....

General

Tuberous sclerosis complex

Tuberous sclerosis complex is a medical condition that may be associated with various symptoms and signs....

General

chromosome 1p36 deletion syndrome

A chromosomal anomaly characterized by distinctive facial dysmorphic features, hypotonia, developmental delay,...

General

developmental and epileptic encephalopathy 103

developmental and epileptic encephalopathy 103 is a medical condition that may be associated with various symp...

General

developmental and epileptic encephalopathy 104

developmental and epileptic encephalopathy 104 is a medical condition that may be associated with various symp...

General

developmental and epileptic encephalopathy 118

developmental and epileptic encephalopathy 118 is a medical condition that may be associated with various symp...

General

developmental and epileptic encephalopathy 119

A developmental and epileptic encephalopathy caused by the variants in the RNU2-2 gene, in which most reported...

General

developmental and epileptic encephalopathy 120

developmental and epileptic encephalopathy 120 is a medical condition that may be associated with various symp...

General

developmental and epileptic encephalopathy 6B

developmental and epileptic encephalopathy 6B is a medical condition that may be associated with various sympt...

General

developmental and epileptic encephalopathy 91

developmental and epileptic encephalopathy 91 is a medical condition that may be associated with various sympt...

General

developmental and epileptic encephalopathy 99

developmental and epileptic encephalopathy 99 is a medical condition that may be associated with various sympt...

General

developmental and epileptic encephalopathy, 13

Any early infantile epileptic encephalopathy in which the cause of the disease is a mutation in the SCN8A gene...

General

developmental and epileptic encephalopathy, 28

Any early infantile epileptic encephalopathy in which the cause of the disease is a mutation in the WWOX gene....

General

developmental and epileptic encephalopathy, 31A

Any developmental and epileptic encephalopathy in which the cause of the disease is a heterozygous mutation in...

General

developmental and epileptic encephalopathy, 51

Any early infantile epileptic encephalopathy in which the cause of the disease is a mutation in the MDH2 gene....

General

developmental and epileptic encephalopathy, 63

developmental and epileptic encephalopathy, 63 is a medical condition that may be associated with various symp...

General

early-onset progressive diffuse brain atrophy-microcephaly-muscle weakness-optic atrophy syndrome

early-onset progressive diffuse brain atrophy-microcephaly-muscle weakness-optic atrophy syndrome is a medical...

General

neurodevelopmental disorder with hyperkinetic movements, seizures, and structural brain abnormalities

neurodevelopmental disorder with hyperkinetic movements, seizures, and structural brain abnormalities is a med...

General

neurodevelopmental disorder with hypotonia and speech delay, with or without seizures

neurodevelopmental disorder with hypotonia and speech delay, with or without seizures is a medical condition t...

General

neurodevelopmental disorder with impaired language and ataxia and with or without seizures

neurodevelopmental disorder with impaired language and ataxia and with or without seizures is a medical condit...

General

neurodevelopmental disorder with parkinsonism or other movement abnormalities

neurodevelopmental disorder with parkinsonism or other movement abnormalities is a medical condition that may ...

General

neurodevelopmental disorder with poor growth, seizures, and brain abnormalities

neurodevelopmental disorder with poor growth, seizures, and brain abnormalities is a medical condition that ma...

General

neurodevelopmental disorder with seizures and nonepileptic hyperkinetic movements

neurodevelopmental disorder with seizures and nonepileptic hyperkinetic movements is a medical condition that ...

General

neurodevelopmental disorder with seizures, microcephaly, and brain abnormalities

neurodevelopmental disorder with seizures, microcephaly, and brain abnormalities is a medical condition that m...

General

Tests

Tests providers may use to investigate epileptic spasm

When investigating epileptic spasm, a healthcare provider may order one or more of the following laboratory tests. Test selection is a clinical decision made by a qualified professional.

CBC with Differential

Measures red blood cells, white blood cells, and platelets to help evaluate overall health and detect disorder...

Sample: Blood

Comprehensive Metabolic Panel (CMP)

Measures 14 substances in the blood to assess kidney and liver function, electrolyte balance, and blood sugar ...

Sample: Blood

Urinalysis

Examines urine content to help detect urinary tract infections, kidney disease, and diabetes....

Sample: Urine

Related

Symptoms commonly seen alongside epileptic spasm

When to seek care

Seek care from a qualified healthcare provider if epileptic spasm is severe, persistent, worsening, or accompanied by concerning symptoms. If you think you have a medical emergency, call your local emergency number immediately.

FAQ

Frequently Asked Questions

What does the symptom epileptic spasm mean?

Epileptic spasm is a health sign or symptom described in medical literature. A sudden flexion, extension, or mixed extension-flexion of predominantly proximal and truncal muscles that is usually more sustained than a myoclonic movement but not as sustained as a tonic seizure. Limited forms may occur: Grimacing, head nodding, or subtle eye movements. Epileptic spasms frequently occur in clusters. Infantile spasms are the best known form, but spasms can occur at all ages

Which conditions are associated with epileptic spasm?

Epileptic spasm has been reported in association with 37 conditions in the medical literature we index, including 3-phosphoglycerate dehydrogenase deficiency, infantile/juvenile form, DPAGT1-CDG, Developmental and epileptic encephalopathy 122, Dursun-Ozgul neurodevelopmental syndrome, Epilepsy of infancy with migrating focal seizures. These associations do not mean you have any of these conditions.

Should I see a doctor about epileptic spasm?

You should discuss any persistent or concerning symptoms with a qualified healthcare provider. This website does not provide diagnosis. If you have severe symptoms or signs of a medical emergency, seek care immediately.

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