Viral Encephalitis Information
Viral encephalitis refers to a type of Encephalitis caused by a virus.[1]
Encephalitis may be caused by a variety of afflictions.
Types include:
Herpes simplex encephalitis
Main article:
Herpes simplex encephalitis
Herpes simplex encephalitis (HSE) is caused by the same herpes simplex virus (HSV) that manifests in oral cold-sores or in genital sores. HSV encephalitis characteristically affects the temporal lobes of an infected individual's brain, while other encephalitides tend to be more diffuse. When the disease triggers brain inflammation, which occurs in 10% of cases of encephalitis (2 cases per million people), half of all untreated patients die (1 case per million people). Common symptoms include brain damage, partial paralysis, seizures, hallucinations and an altered state of consciousness. In rare cases a mother can pass HSE to her child at birth; symptoms then include lethargy, tremors, irritability, seizures and poor feeding in the first two weeks after birth.
See also
References
- ^ "Viral Encephalitis: Overview - eMedicine Neurology". http://emedicine.medscape.com/article/1166498-overview. Retrieved 2009-03-07.
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Pathology of the nervous system, primarily CNS (G04–G47, 323–349)
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| Inflammation |
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| Brain/
encephalopathy |
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Degenerative
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Demyelinating
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autoimmune (Multiple sclerosis, Neuromyelitis optica, Schilder's disease) · hereditary (Adrenoleukodystrophy, Alexander, Canavan, Krabbe, ML, PMD, VWM, MFC, CAMFAK syndrome) · Central pontine myelinolysis · Marchiafava-Bignami disease · Alpers' disease
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Episodic/
paroxysmal
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Seizure/epilepsy
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Focal · Generalised · Status epilepticus · Myoclonic epilepsy
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Headache
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Migraine (Familial hemiplegic) · Cluster · Tension
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Cerebrovascular
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TIA (Amaurosis fugax, Transient global amnesia)
Stroke (MCA, ACA, PCA, Foville's, Millard-Gubler, Lateral medullary, Weber's, Lacunar stroke)
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Sleep disorders
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Insomnia · Hypersomnia · Sleep apnea (Obstructive, Ondine's curse) · Narcolepsy · Cataplexy · Kleine-Levin · Circadian rhythm sleep disorder (Advanced sleep phase syndrome, Delayed sleep phase syndrome, Non-24-hour sleep-wake syndrome, Jet lag)
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CSF
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Intracranial hypertension (Hydrocephalus/NPH, Idiopathic intracranial hypertension) · Cerebral edema · Intracranial hypotension
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Other
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Brain herniation · Reye's · Hepatic encephalopathy · Toxic encephalopathy
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| Spinal cord/
myelopathy |
Syringomyelia · Syringobulbia · Morvan's syndrome · Vascular myelopathy (Foix-Alajouanine syndrome) · Spinal cord compression
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| Both/either |
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: CNS
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