Severe myoclonic epilepsy in infancy
- Synonyms
- DEVELOPMENTAL AND EPILEPTIC ENCEPHALOPATHY 6A; Dravet syndrome; Epilepsy, Myoclonic, Infantile, Severe; Epileptic encephalopathy, early infantile, 6 (Dravet syndrome)
- Modes of inheritance
- Autosomal dominant inheritance (Orphanet)
Summary
Excerpted from the GeneReview:- Full text of GeneReview (by section):
- Summary
- GeneReview Scope
- Diagnosis
- Clinical Characteristics
- Genetically Related (Allelic) Disorders
- Differential Diagnosis
- Management
- Genetic Counseling
- Resources
- Molecular Genetics
- Chapter Notes
- References
- Authors:
- Ian O Miller
- Marcio A Sotero de Menezes
- view full author information
Available tests
Check Related conditions for additional relevant tests.
Clinical features
Help- Abnormality of the eye
- Cerebral visual impairment
Cerebral visual impairment
- MedGen UID: 890568
- Concept ID: C4048268
- Finding: Pathologic Function
Abnormality of the eye
- Cerebral visual impairment
- Abnormality of the musculoskeletal system
- Secondary microcephaly
Secondary microcephaly
- MedGen UID: 608952
- Concept ID: C0431352
- Finding: Finding
Abnormality of the musculoskeletal system
- Secondary microcephaly
- Abnormality of the nervous system
- Abnormal pyramidal sign
Abnormal pyramidal sign
- MedGen UID: 68582
- Concept ID: C0234132
- Finding: Sign or Symptom
Abnormality of the nervous system
- Atonic seizure
Atonic seizure
- MedGen UID: 78735
- Concept ID: C0270846
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Bilateral tonic-clonic seizure
Bilateral tonic-clonic seizure
- MedGen UID: 141670
- Concept ID: C0494475
- Finding: Sign or Symptom
Abnormality of the nervous system
- Cerebellar ataxia
Cerebellar ataxia
- MedGen UID: 849
- Concept ID: C0007758
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Cerebral atrophy
Cerebral atrophy
- MedGen UID: 116012
- Concept ID: C0235946
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Developmental regression
Developmental regression
- MedGen UID: 324613
- Concept ID: C1836830
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Epileptic encephalopathy
Epileptic encephalopathy
- MedGen UID: 452596
- Concept ID: C0543888
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Focal aware seizure
Focal aware seizure
- MedGen UID: 65895
- Concept ID: C0234974
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Focal hemiclonic seizure
Focal hemiclonic seizure
- MedGen UID: 335477
- Concept ID: C1846620
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Focal impaired awareness seizure
Focal impaired awareness seizure
- MedGen UID: 543022
- Concept ID: C0270834
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Generalized clonic seizure
Generalized clonic seizure
- MedGen UID: 869081
- Concept ID: C4023499
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Generalized myoclonic seizure
Generalized myoclonic seizure
- MedGen UID: 892704
- Concept ID: C4021759
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Generalized non-motor (absence) seizure
Generalized non-motor (absence) seizure
- MedGen UID: 1385688
- Concept ID: C4316903
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Global developmental delay
Global developmental delay
- MedGen UID: 107838
- Concept ID: C0557874
- Finding: Finding
Abnormality of the nervous system
- Intellectual disability, moderate
Intellectual disability, moderate
- MedGen UID: 7680
- Concept ID: C0026351
- Finding: Mental or Behavioral Dysfunction
Abnormality of the nervous system
- Intellectual disability, severe
Intellectual disability, severe
- MedGen UID: 48638
- Concept ID: C0036857
- Finding: Mental or Behavioral Dysfunction
Abnormality of the nervous system
- Mental deterioration
Mental deterioration
- MedGen UID: 66713
- Concept ID: C0234985
- Finding: Mental or Behavioral Dysfunction
Abnormality of the nervous system
- Motor delay
Motor delay
- MedGen UID: 381392
- Concept ID: C1854301
- Finding: Finding
Abnormality of the nervous system
- Myoclonic seizure
Myoclonic seizure
- MedGen UID: 1385980
- Concept ID: C4317123
- Finding: Sign or Symptom
Abnormality of the nervous system
- Status epilepticus
Status epilepticus
- MedGen UID: 11586
- Concept ID: C0038220
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Visually-induced seizure
Visually-induced seizure
- MedGen UID: 1720648
- Concept ID: C2080645
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Abnormal pyramidal sign
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